Chevelle / Malibu / El Camino — RPO Codes (1964–1972 focus)
GM's alphanumeric Regular Production Option (RPO) system applies to the Chevelle from its 1964 introduction. The table below is the union of all RPO codes released for U.S. Chevelles (and the Chevelle-based El Camino and, where noted, the 1970–72 Monte Carlo, which shared the A-body option sheet) for model years 1964–1972 — the classic era most requested for decoding. 1973–1977 Chevelle/Malibu (Colonnade) options continued the same RPO system; that era is only partially covered here (see gaps note).
Notes from the primary source (chevellestuff.net):
- Not every option was available on every body style or series in a given year (wagon-only, convertible-only, SS-only options, etc.).
- Some codes were internal accounting entries rather than customer check-box options (e.g. B22, C56, YF8).
- Some package base engines were not reported as separate options (e.g. L34 in 1970 under Z25; LS5 in 1970 under Z15), so a missing year does not always mean the hardware did not exist that year.
Years 1964–1972
| Code | Description | Years | Models/Notes | Confidence |
|---|---|---|---|---|
| A01 | Tinted Glass - All Windows | 1964–1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.118 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.8 | confirmed |
| A02 | Tinted Glass - Windshield | 1964–1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.118 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.56 | confirmed |
| A20 | Seat Belts | 1964 | confirmed | |
| A31 | Windows - Electric Control | 1964–1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.71 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.56 | confirmed |
| A33 | Tail Gate Window - Electric | 1964–1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.71 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.91 | confirmed |
| A37 | Seat Belt Equipment | 1964 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.118 | confirmed |
| A39 | Custom Deluxe Seat Belts, Front & Rear | 1966–1972 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.78 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.52 | confirmed |
| A41 | Front Seat Electric Control - 4 Way | 1964–1967, 1970–1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.10 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.56 | confirmed |
| A46 | Front Seat Electric Control - 4 Way Bucket (Driver side) | 1965–1966, 1970–1972 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.56 | confirmed |
| A47 | Custom Deluxe Rear Seat Belts | 1965 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1965 Chevrolet El Camino, p.36 | confirmed |
| A48 | Seat Belt Delete | 1967 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| A49 | Custom Deluxe Seat Belts | 1964–1967 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.70 ⛭ GM Heritage — 1966 Chevrolet El Camino, p.3 | confirmed |
| A51 | Strato-Bucket Seats | 1966–1972 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.74 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.9 | confirmed |
| A52 | Bench Seat | 1972 | ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.56 | confirmed |
| A62 | Less Seat Belts | 1965 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1965 Chevrolet El Camino, p.3 | confirmed |
| A64 | Custom Rear Seat Belts | 1965 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1965 Chevrolet El Camino, p.36 | confirmed |
| A66 | Divided Second Seat | 1964–1965 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.71 ⛭ GM Heritage — 1965 Chevrolet El Camino, p.36 | confirmed |
| A68 | Rear Center Seat Belt - Standard | 1967 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.6 | confirmed |
| A81 | Head Restraint - Bucket Seat | 1966–1967 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.79 ⛭ GM Heritage — 1967 Chevrolet El Camino, p.5 | confirmed |
| A82 | Head Restraint - Bench Seat | 1966–1967 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.79 ⛭ GM Heritage — 1967 Chevrolet El Camino, p.5 | confirmed |
| A85 | Deluxe Shoulder Harness | 1966–1972 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.83 ⛭ GM Heritage — 1971 Chevrolet El Camino, p.43 | confirmed |
| A90 | Rear Compartment Lid Release - Electric Control | 1970–1971 | confirmed | |
| A93 | Vacuum Operated Door Locks | 1969 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.72 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.56 | confirmed |
| AK1 | Seat Belts & Front Shoulder Harness - Deluxe | 1970–1972 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.18 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.56 | confirmed |
| AL5 | Rear Center Seat Belt - Deluxe | 1967 | confirmed | |
| AQ2 | Electric Seat Back Lock Release | 1970–1971 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.19 ⛭ GM Heritage — 1971 Chevrolet Chevelle, p.17 | confirmed |
| AR1 | Less Head Restraint | 1969 | confirmed | |
| AS1 | Shoulder Harness - Standard | 1967–1969 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.45 ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.92 | confirmed |
| AS4 | Rear Seat Shoulder Harness - Deluxe | 1968–1971 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.70 ⛭ GM Heritage — 1971 Chevrolet El Camino, p.45 | confirmed |
| AS5 | Rear Seat Shoulder Harness - Standard | 1968–1969 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.69 ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.12 | confirmed |
| AU3 | Electric Door Locks | 1970–1972 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.19 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.8 | confirmed |
| AV3 | 3 Point Belt System | 1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.52 | confirmed |
| B01 | Police Car Body Equipment | 1964–1965 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.4 ⛭ GM Heritage — 1965 Chevrolet El Camino, p.40 | confirmed |
| B02 | Taxicab Equipment | 1964–1965 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.4 ⛭ GM Heritage — 1965 Chevrolet El Camino, p.31 | confirmed |
| B22 | Door Inner Panel Molding SS (396 only in 1970) | 1970–1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.92 ⛭ GM Heritage — 1971 Chevrolet El Camino, p.86 | confirmed |
| B37 | Floor Mats | 1967–1972 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.88 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.7 | confirmed |
| B42 | Luggage Compartment Mat | 1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| B55 | Deluxe Front Seat Cushion | 1967–1968 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.93 ⛭ GM Heritage — 1968 Chevrolet El Camino, p.4 | confirmed |
| B70 | Instrument Panel Pad | 1964–1965 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.73 ⛭ GM Heritage — 1965 Chevrolet El Camino, p.3 | confirmed |
| B79 | Exterior ornamentation rear end | 1969–1970 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.92 | confirmed |
| B80 | Roof Drip Molding | 1969–1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) ⛭ GM Heritage — 1970 Chevrolet El Camino, p.63 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.56 | confirmed |
| B84 | Body Side Molding Equipment, not available with Heavy Chevy | 1968, 1972 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.78 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.9 | confirmed |
| B85 | Belt Reveal Molding | 1970–1972 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.92 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.92 | confirmed |
| B90 | Door Window Frame Molding | 1966–1972 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.6 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.52 | confirmed |
| B93 | Door Edge Guards | 1967–1972 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.92 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.7 | confirmed |
| B94 | External Ornamentation SS Tailgate | 1971–1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| B95 | Rear Panel Molding | 1969 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| B96 | Wheel Opening Molding | 1970–1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.92 | confirmed |
| BW1 | Delete RR Mldg (found on YF3 Heavy Chevy) | 1971–1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| BW1 | Delete Rear Ornamentation (13437) | 1971–1972 | confirmed | |
| BX4 | Body Side Molding | 1969 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.81 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.7 | confirmed |
| C05 | Folding Top | 1964, 1971–1972 | confirmed | |
| C06 | Electric Control Folding Top | 1964–1970, 1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.10 ⛭ GM Heritage — 1970 Chevrolet El Camino, p.24 | confirmed |
| C08 | Exterior Soft Trim Roof Cover | 1965–1972 | ⛭ GM Heritage — 1965 Chevrolet El Camino, p.36 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.74 | confirmed |
| C14 | Two-Speed Windshield Wiper & Washer | 1964 | confirmed | |
| C14 | Two-Speed Windshield Wiper & Washer (1965 Fremont SS-65 Oshawa Line Schedule Tag) | 1965 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| C18 | Unknown. (1965 Oshawa Line Schedule Tag) | 1965 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend); meaning unknown in source | single-source |
| C24 | Special Windshield Wiper | 1968–1969, 1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.71 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.56 | confirmed |
| C48 | Less Heater Equipment | 1964–1967 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.73 ⛭ GM Heritage — 1967 Chevrolet El Camino, p.5 | confirmed |
| C50 | Rear Window Defroster | 1965–1972 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.41 | confirmed |
| C51 | Rear Window Deflector | 1965–1972 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.28 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.56 | confirmed |
| C56 | Instrument Panel Vent/Upper Level Vent | 1970–1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| C60 | Air Conditioning - Deluxe | 1964–1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.70 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.94 | confirmed |
| C65 | Air Conditioning - Custom Deluxe | 1964 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.70 | confirmed |
| CD2 | Windshield Washer Fluid Level | 1970 | confirmed | |
| CD3 | Electro Tip Windshield Wiper | 1970 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.20 ⛭ GM Heritage — 1970 Chevrolet El Camino, p.25 | confirmed |
| CE1 | Headlamp Washer | 1969 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.72 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.6 | confirmed |
| CO1 | Body Emblem Var 2 (Monte Carlo) | 1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | single-source |
| D31 | Inside tilt rear view mirror (1965/1966 Oshawa) | 1966 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| D31 | Non Glare Mirror (1965 Fremont SS) | 1965 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| D32 | Rear View Mirror (1965 Fremont SS) | 1965 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | single-source |
| D33 | Outside Mirror - Remote Control | 1967–1972 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.6 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.7 | confirmed |
| D34 | Vanity Visor Mirror | 1969–1972 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.12 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.7 | confirmed |
| D35 | Custom LH Remote & RH Manual Rear View Mirror | 1971–1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) ⛭ GM Heritage — 1971 Chevrolet El Camino, p.86 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.92 | confirmed |
| D55 | Front Compartment Console | 1966–1972 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.88 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.8 | confirmed |
| D88 | Sport Stripes | 1969–1972 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.18 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.9 | confirmed |
| D96 | Wide Paint Stripe - Side | 1967–1968 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.38 ⛭ GM Heritage — 1968 Chevrolet El Camino, p.40 | confirmed |
| D99 | Two-tone paint/vinyl top molding (optional with solid paint) [*] | 1965–1972 | ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.92 | confirmed |
| F40 | Special Front and Rear Suspension | 1964–1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.9 | confirmed |
| F41 | Special Performance Front and Rear Suspension | 1969–1972 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.13 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.53 | confirmed |
| F60 | Heavy Duty Front Spring Equipment | 1965 | confirmed | |
| F62 | Front Springs | 1969 | confirmed | |
| FR1 | Computer selected front springs | 1970 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| FR2 | Computer selected front springs | 1970 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| G32 | Computer selected rear springs | 1969–1970 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| G33 | Computer selected rear springs | 1969–1970 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| G34 | Computer selected rear springs | 1969–1970 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| G37 | Computer selected rear springs | 1969–1970 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | single-source |
| G66 | Air Booster Rear Shock Absorber | 1964–1968 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.73 ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.70 | confirmed |
| G67 | Rear Shock Absorber Level Control | 1965, 1970–1972 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.29 ⛭ GM Heritage — 1965 Chevrolet El Camino, p.3 | confirmed |
| G75 | Rear Axle - 3.70:1 Ratio | 1965–1966, 1968 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.10 ⛭ GM Heritage — 1966 Chevrolet El Camino, p.3 | confirmed |
| G76 | Rear Axle - 3.36:1 Ratio | 1964–1969 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.55 | confirmed |
| G80 | Rear Axle - Positraction | 1964–1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.8 | confirmed |
| G82 | Rear Axle - 4.56:1 Ratio | 1969 | confirmed | |
| G84 | Rear Axle - 4.10:1 Ratio | 1969 | confirmed | |
| G92 | Rear Axle - 3.08:1 Ratio | 1967–1969, 1971 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.38 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.55 | confirmed |
| G94 | Rear Axle - 3.31:1 Ratio | 1966–1969 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.83 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.55 | confirmed |
| G96 | Rear Axle - 3.55:1 Ratio | 1966–1969 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.83 ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.12 | confirmed |
| G97 | Rear Axle - 2.73:1 Ratio | 1967–1969 | ⛭ GM Heritage — 1967 Chevrolet El Camino, p.27 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.55 | confirmed |
| GS1 | Rear Axle - 2.73 Ratio | 1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| GT1 | Rear Axle - 2.56 Ratio | 1968–1969 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.85 ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.12 | confirmed |
| GW2 | Rear Axle - 2.56 Ratio | 1970 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| GW5 | Rear Axle - 2.73 Ratio (Includes Canada) | 1970, 1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| GW8 | Rear Axle - 4.10 Ratio | 1970 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| GY2 | Rear Axle - 3.31 Ratio | 1970, 1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| H01 | Rear Axle - 3.07:1 Ratio | 1966–1969 | ⛭ GM Heritage — 1966 Chevrolet El Camino, p.47 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.55 | confirmed |
| H05 | Rear Axle - 3.73:1 Ratio | 1965–1969, 1971 | ⛭ GM Heritage — 1965 Chevrolet El Camino, p.3 ⛭ GM Heritage — 1966 Chevrolet El Camino, p.3 | confirmed |
| J50 | Vacuum Power Brake Equipment | 1964–1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.117 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.91 | confirmed |
| J52 | Front Disc Brakes | 1967–1969 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.45 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.75 | confirmed |
| J65 | Metallic Brake Facing | 1964–1967 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.41 ⛭ GM Heritage — 1967 Chevrolet El Camino, p.47 | confirmed |
| JL2 | Front Disc Brakes | 1970–1972 | ⛭ GM Heritage — 1970 Chevrolet El Camino, p.24 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.8 | confirmed |
| K02 | Fan Drive Equipment | 1964–1969 | ⛭ GM Heritage — 1964 Chevrolet El Camino, p.76 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.55 | confirmed |
| K05 | Engine Block Heater | 1968–1970 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.12 ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.85 | confirmed |
| K19 | Air Injection Reactor Equipment | 1966–1967 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.83 ⛭ GM Heritage — 1967 Chevrolet El Camino, p.17 | confirmed |
| K19 | Air Injection Reactor Equipment | 1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| K24 | Closed Engine Positive Vent Type B | 1964–1967 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.71 ⛭ GM Heritage — 1967 Chevrolet El Camino, p.6 | confirmed |
| K30 | Speed and Cruise Control | 1967–1968, 1970, 1972 | ⛭ GM Heritage — 1967 Chevrolet El Camino, p.26 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.53 | confirmed |
| K66 | Transistor Ignition Equipment | 1965–1966 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.31 ⛭ GM Heritage — 1966 Chevrolet El Camino, p.3 | confirmed |
| K76 | A/C Generator - 61 amp | 1966–1968 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.83 ⛭ GM Heritage — 1968 Chevrolet El Camino, p.3 | confirmed |
| K77 | A/C Generator - 55 amp | 1964–1965 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1965 Chevrolet El Camino, p.3 | confirmed |
| K79 | A/C Generator - 42 amp | 1964–1969 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.6 | confirmed |
| K81 | A/C Generator - 62 amp | 1964–1966 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1966 Chevrolet El Camino, p.3 | confirmed |
| K85 | A/C Generator - 63 amp | 1969–1970, 1972 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.66 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.8 | confirmed |
| KD5 | Heavy Duty Closed Positive Ventilation | 1968–1969 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.79 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.7 | confirmed |
| L14 | Engine - V8, 307 Cu. In. | 1971–1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| L22 | Engine - L6, 250 Cu. In. | 1967–1969 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.34 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.49 | confirmed |
| L26 | Engine - L6, 230 Cu. In. | 1965–1966 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.23 ⛭ GM Heritage — 1966 Chevrolet El Camino, p.3 | confirmed |
| L30 | Engine - V8, 327 Cu. In. | 1964–1968 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1968 Chevrolet El Camino, p.23 | confirmed |
| L34 | Engine - V8, 396 Cu. In. Hi Performance | 1966–1969 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.14 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.49 | confirmed |
| L35 | Engine - V8, 396 Cu. In. (13x80 only) | 1966–1967 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.14 ⛭ GM Heritage — 1967 Chevrolet El Camino, p.23 | confirmed |
| L48 | Engine - V8, 350 Cu. In., 4-bbl carburetor | 1969–1972 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.6 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.14 | confirmed |
| L61 | Engine - L6, 230 Cu. In. Hi. Perf. | 1964 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1964 Chevrolet El Camino, p.30 | confirmed |
| L65 | Engine - V8, 350 Cu. In., 2-bbl carburetor | 1969–1972 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.72 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.14 | confirmed |
| L73 | Engine - V8, 327 Cu. In., 4-bbl carburetor regular fuel | 1968 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.33 ⛭ GM Heritage — 1968 Chevrolet El Camino, p.3 | confirmed |
| L74 | Engine - V8, 327 Cu. In., Hi. Perf. | 1964–1965 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.45 ⛭ GM Heritage — 1965 Chevrolet El Camino, p.23 | confirmed |
| L77 | Engine - V8, 283 Cu. In., 4-bbl carburetor | 1964, 1966 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.55 ⛭ GM Heritage — 1966 Chevrolet El Camino, p.3 | confirmed |
| L78 | Engine - V8, 396 Cu. In. Special Hi. Perf. | 1966–1970 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.14 ⛭ GM Heritage — 1970 Chevrolet El Camino, p.4 | confirmed |
| L79 | Engine - V8, 350 Cu. In. Special Hi. Perf. | 1965, 1967–1968 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.24 ⛭ GM Heritage — 1968 Chevrolet El Camino, p.23 | confirmed |
| L89 | Aluminum Cylinder Heads | 1969–1970 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.72 | confirmed |
| LD8 | Engine Emission Chart | 1972 | single-source | |
| LF6 | Engine - V8, 400 Cu. In., 2-bbl carburetor | 1970 | confirmed | |
| LS3 | Engine - V8, 400 Cu. In., 4-bbl carburetor | 1970–1972 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.6 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.8 | confirmed |
| LS5 | Engine - V8, 454 Cu. In. Hi Performance | 1971–1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) ⛭ GM Heritage — 1971 Chevrolet Chevelle, p.6 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.22 | confirmed |
| LS6 | Engine - V8, 454 Cu. In. Special Hi Performance | 1970–1971 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.63 ⛭ GM Heritage — 1971 Chevrolet El Camino, p.33 | confirmed |
| M01 | Heavy Duty Clutch | 1964–1968 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.132 ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.100 | confirmed |
| M10 | Overdrive Transmission | 1964–1968 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.65 ⛭ GM Heritage — 1968 Chevrolet El Camino, p.3 | confirmed |
| M11 | Floor Shift Transmission | 1971–1972 | ⛭ GM Heritage — 1971 Chevrolet Chevelle, p.62 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.6 | confirmed |
| M13 | Heavy Duty 3-speed Transmission | 1966–1968 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.26 ⛭ GM Heritage — 1968 Chevrolet El Camino, p.6 | confirmed |
| M20 | 4-Speed Transmission | 1964–1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.64 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.6 | confirmed |
| M21 | 4-Speed Transmission - Close Ratio | 1966–1970 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.96 ⛭ GM Heritage — 1970 Chevrolet El Camino, p.3 | confirmed |
| M22 | 4-Speed Transmission - Heavy Duty | 1966, 1968–1972 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.96 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.8 | confirmed |
| M35 | Powerglide Transmission | 1964–1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.6 | confirmed |
| M38 | Three Speed Automatic Transmission, TH350 | 1969–1972 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.14 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.57 | confirmed |
| M40 | Three Speed Automatic Transmission, TH400 | 1967–1972 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.45 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.6 | confirmed |
| M55 | Transmission Oil Cooler Equipment | 1965–1966 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.28 ⛭ GM Heritage — 1966 Chevrolet El Camino, p.3 | confirmed |
| MC1 | Heavy Duty 3-speed Transmission | 1969, 1971–1972 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.69 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.54 | confirmed |
| N10 | Dual Exhaust Equipment | 1965–1972 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.10 ⛭ GM Heritage — 1970 Chevrolet El Camino, p.23 | confirmed |
| N30 | Deluxe Steering Wheel | 1967–1968 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1968 Chevrolet El Camino, p.4 | confirmed |
| N33 | Steering Wheel - Tilt Type | 1964–1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.9 | confirmed |
| N34 | Steering Wheel - Wood Grained Plastic | 1964–1969 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.7 | confirmed |
| N40 | Power Steering | 1964–1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.36 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.8 | confirmed |
| N95 | Simulated Wire Wheel Trim Cover | 1968–1969 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.71 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.7 | confirmed |
| N96 | Simulated Magnesium Wheel Trim Cover, Type A | 1966–1969 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.96 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.57 | confirmed |
| NA9 | Evaporative Emission Control | 1970 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.18 ⛭ GM Heritage — 1970 Chevrolet El Camino, p.23 | confirmed |
| NB2 | Exhaust Emissions (seen on 72 small-block V8s generally from Van Nuys but also seen on one KC L48 4-speed) | 1972 | confirmed | |
| NC8 | Chambered Pipe Exhaust System | 1969 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.12 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.55 | confirmed |
| NK1 | Steering Wheel - Cushioned Rim | 1970 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.20 ⛭ GM Heritage — 1970 Chevrolet El Camino, p.25 | confirmed |
| NK2 | Deluxe Steering Wheel | 1971–1972 | ⛭ GM Heritage — 1971 Chevrolet Chevelle, p.17 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.9 | confirmed |
| NK4 | Sport Steering Wheel (4-spoke) | 1971–1972 | ⛭ GM Heritage — 1971 Chevrolet Chevelle, p.74 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.9 | confirmed |
| P01 | Wheel Trim Cover | 1964–1972 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.29 ⛭ GM Heritage — 1971 Chevrolet El Camino, p.46 | confirmed |
| P02 | Deluxe Wheel Trim Cover | 1970–1972 | ⛭ GM Heritage — 1970 Chevrolet El Camino, p.25 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.93 | confirmed |
| P02 | Simulated Wire Wheel Trim Cover | 1964–1967 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1967 Chevrolet El Camino, p.28 | confirmed |
| P06 | Wheel Trim Ring | 1970–1972 | confirmed | |
| P19 | Spare Wheel Lock Equipment | 1965–1966 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1966 Chevrolet El Camino, p.3 | confirmed |
| P58 | 7.00-14-4 Whitewall | 1964 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.74 | confirmed |
| P58 | 7.35-14-4 Whitewall | 1965–1969 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.32 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.7 | confirmed |
| P61 | 7.50-14-4 Nylon Whitewall | 1964 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.74 | confirmed |
| P61 | 7.75-14-4 Nylon Whitewall | 1965–1967 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.32 ⛭ GM Heritage — 1967 Chevrolet El Camino, p.6 | confirmed |
| P62 | 7.50-14-4 Whitewall | 1964 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.74 | confirmed |
| P62 | 7.75-14-4 Whitewall | 1965–1969 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.10 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.7 | confirmed |
| P63 | Unknown tire size. (1965 Oshawa Line Schedule Tag) | 1965 | confirmed | |
| P65 | 7.50-14-4 Blackwall | 1964 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.9 | confirmed |
| P65 | 7.75-14-4 Blackwall | 1965–1969 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.32 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.7 | confirmed |
| P66 | 7.75-14 (1967 Fremont El Camino) | 1967 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | single-source |
| P67 | 6.95-14-4 Whitewall | 1965–1967 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.32 ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.80 | confirmed |
| P77 | 8.25-14 Whitewall | 1968–1969 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.14 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.57 | confirmed |
| P90 | G70-14B G/B White Stripe (Std on 72 Monte Carlo) | 1970–1972 | confirmed | |
| P91 | G70-14B G/B Red Stripe | 1970 | confirmed | |
| PA2 | Simulated Magnesium Wheel Trim Cover, Type B | 1968–1969 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.85 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.57 | confirmed |
| PA3 | Special Wheel Trim Cover | 1970–1972 | confirmed | |
| PK2 | G70-14B G/B White Stripe | 1972 | ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.93 | confirmed |
| PK2 | G78-14B G/B White Stripe | 1969–1971 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.14 ⛭ GM Heritage — 1971 Chevrolet El Camino, p.46 | confirmed |
| PK4 | G70-14 Red Stripe | 1969 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.14 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.57 | confirmed |
| PK6 | F78-14B B/B White Stripe | 1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| PL2 | E78-14 B/B Blackwall | 1971–1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| PL3 | E78-14B B/B White Stripe | 1969–1972 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.86 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.93 | confirmed |
| PL4 | F70-14B G/B White Letter | 1970 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.86 | confirmed |
| PL5 | F70-14 White Letter | 1969 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.14 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.7 | confirmed |
| PM6 | G78-14D G/B White Stripe | 1970–1972 | ⛭ GM Heritage — 1971 Chevrolet Chevelle, p.19 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.93 | confirmed |
| PM7 | F60-15B G/B White Letter | 1971–1972 | ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.93 | confirmed |
| PN5 | 7.75-14 Whitewall | 1968–1969 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.71 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.57 | confirmed |
| PQ7 | 8.25-14 Whitewall | 1968–1969 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.80 | confirmed |
| PR3 | 8.25-14 Whitewall | 1968–1969 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.80 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.57 | confirmed |
| PU8 | G78-15B G/B White Stripe | 1970–1972 | confirmed | |
| PW7 | F70-14-4 White Stripe | 1967–1969 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.8 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.7 | confirmed |
| PW8 | F70-14-4 Red Stripe | 1967–1969 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.8 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.7 | confirmed |
| PX5 | F78-14 B/B Blackwall | 1971–1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) ⛭ GM Heritage — 1971 Chevrolet Chevelle, p.61 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.9 | confirmed |
| PX6 | F78-14B B/B White Stripe | 1969–1972 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.14 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.9 | confirmed |
| PX8 | F78-14 Whitewall | 1969 | sources within chevellestuff disagree: F78-14 whitewall (1969) vs G70-14 white stripe (1970); both readings listed (factory kit resolves: present in 1969-Chevrolet-Chevelle.txt) ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.14 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.7 | confirmed |
| PX8 | G70-14 White Stripe | 1970 | sources within chevellestuff disagree: F78-14 whitewall (1969) vs G70-14 white stripe (1970); both readings listed | disputed |
| PX9 | G70-14 White Stripe | 1968–1969 | ⛭ GM Heritage — 1968 Chevrolet El Camino, p.4 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.7 | confirmed |
| PY4 | F70-14 B/B White Stripe | 1969 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.72 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.7 | confirmed |
| PY4 | F70-14-B G/B White Stripe | 1970–1971 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.86 | confirmed |
| PY5 | F70-14 B/B Red Stripe | 1969 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.68 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.7 | confirmed |
| PY5 | F70-14-B G/B Red Stripe | 1970 | confirmed | |
| PY7 | G70-14 B/B Red Stripe | 1969 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.14 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.7 | confirmed |
| PY7 | G70-14-B G/B Red Stripe | 1970 | confirmed | |
| SP1 | unknown | 1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend); meaning unknown in source | single-source |
| T07 | 7.75-14-4 Nylon Whitewall | 1966 | confirmed | |
| T15 | 7.75-14-8 Whitewall | 1967 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.8 ⛭ GM Heritage — 1967 Chevrolet El Camino, p.28 | confirmed |
| T24 | 7.75-14-4 Whitewall | 1967 | single-source | |
| T58 | Rear Wheel Opening Skirt | 1970–1972 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.93 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.57 | confirmed |
| T60 | Heavy Duty Battery | 1964–1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.36 | confirmed |
| T86 | Backup Lamps (1965 Fremont SS - Canada 13267/13335) | 1965 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| T93 | Deluxe Tail Lights (1969 Framingham) | 1969 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| U03 | Low Horn | 1965–1968 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1968 Chevrolet El Camino, p.3 | confirmed |
| U05 | Dual Horn | 1969 | ⛭ GM Heritage — 1969 Chevrolet El Camino, p.6 | confirmed |
| U14 | Instrument Panel Gauges | 1966–1972 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.79 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.57 | confirmed |
| U15 | Speed Warning Indicator | 1967–1969 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.7 | confirmed |
| U16 | Tachometer | 1964–1967 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.73 ⛭ GM Heritage — 1967 Chevrolet El Camino, p.6 | confirmed |
| U18 | Speedo I/P (export) kilometers | 1965–1966 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| U25 | Luggage Compartment Lamp | 1967–1972 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.38 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.57 | confirmed |
| U26 | Underhood Lamp | 1967–1971 | ⛭ GM Heritage — 1967 Chevrolet El Camino, p.5 ⛭ GM Heritage — 1971 Chevrolet Chevelle, p.79 | confirmed |
| U27 | Glove Compartment Lamp | 1967–1970 | ⛭ GM Heritage — 1967 Chevrolet El Camino, p.5 ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.10 | confirmed |
| U28 | Ashtray Lamp | 1967–1970 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.38 ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.93 | confirmed |
| U29 | Instrument Panel Courtesy Lights | 1967–1970 | ⛭ GM Heritage — 1967 Chevrolet El Camino, p.5 ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.93 | confirmed |
| U35 | Electric Clock | 1967–1972 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.37 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.7 | confirmed |
| U46 | Lamp Monitoring | 1967–1970 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.10 ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.85 | confirmed |
| U57 | Tape Player | 1967–1969 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.56 | confirmed |
| U60 | Radio - Manual | 1964–1965 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.10 ⛭ GM Heritage — 1965 Chevrolet El Camino, p.3 | confirmed |
| U63 | Radio - Push Button | 1964–1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.73 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.9 | confirmed |
| U69 | Radio - AM/FM Push Button | 1965–1972 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.9 | confirmed |
| U73 | Manual Rear Antenna | 1965–1969 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.13 | confirmed |
| U75 | Power Rear Antenna | 1966 | ⛭ GM Heritage — 1966 Chevrolet El Camino, p.46 | confirmed |
| U76 | Windshield Antenna | 1967, 1970–1972 | ⛭ GM Heritage — 1967 Chevrolet Chevelle, p.89 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.57 | confirmed |
| U79 | AM/FM Stereo Equipment | 1968–1972 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.17 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.53 | confirmed |
| U80 | Auxiliary Rear Speaker | 1965–1972 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.9 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.57 | confirmed |
| UF1 | Map Light | 1969–1970 | confirmed | |
| UM1 | AM Push Button Radio & Tape Player | 1970–1972 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.20 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.57 | confirmed |
| UM2 | AM/FM Push Button Radio & Tape Player | 1970–1972 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.20 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.53 | confirmed |
| V01 | Heavy Duty Radiator | 1964–1972 | ⛭ GM Heritage — 1965 Chevrolet El Camino, p.3 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.35 | confirmed |
| V30 | Front & Rear Bumper Guards (Front only El Camino 1971) | 1971–1972 | ⛭ GM Heritage — 1971 Chevrolet Chevelle, p.17 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.7 | confirmed |
| V31 | Front Bumper Guard | 1964–1970 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.118 ⛭ GM Heritage — 1970 Chevrolet El Camino, p.23 | confirmed |
| V32 | Rear Bumper Guard | 1964–1970 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.118 ⛭ GM Heritage — 1970 Chevrolet El Camino, p.23 | confirmed |
| V48 | Extra Antifreeze | 1970 | confirmed | |
| V55 | Roof Luggage Carrier | 1964–1972 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.70 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.57 | confirmed |
| V74 | Hazard Warning Switch Equipment | 1966 | ⛭ GM Heritage — 1966 Chevrolet El Camino, p.9 | confirmed |
| V75 | Traction Compound & Dispenser | 1969 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.67 | confirmed |
| V78 | Delete Cer Plt | 1969–1970 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| VJ9 | Exhaust Emissions Label | 1971–1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) ⛭ GM Heritage — 1971 Chevrolet El Camino, p.85 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.57 | confirmed |
| VJ9 | Exhaust Emissions Label (seen on several 71 & 72 Van Nuys but not all) | 1971–1972 | ⛭ GM Heritage — 1971 Chevrolet El Camino, p.85 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.57 | confirmed |
| W84 | Additional Fuel For Delivery | 1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| W89 | Touch-up paint | 1967 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| X14 | Export preparation - coating | 1967 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| X17 | Underbody oil spray | 1967 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | single-source |
| YD1 | Axle For Trailering | 1970–1972 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.84 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.8 | confirmed |
| YE5 | Demonstrator | 1971 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | single-source |
| YF3 | Heavy Chevy Package | 1971–1972 | ⛭ GM Heritage — 1971 Chevrolet Chevelle, p.58 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.58 | confirmed |
| YF4 | Sales Promotion | 1971 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) ⛭ GM Heritage — 1971 Chevrolet El Camino, p.85 | confirmed |
| YF5 | California Assembly Line Emission Test | 1972 | ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.54 | confirmed |
| YF8 | Black stripes (D88 color only) | 1972 | ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.40 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.9 | confirmed |
| Z01 | Comfort & Convenience Equipment | 1964–1965 | ⛭ GM Heritage — 1964 Chevrolet Chevelle, p.10 ⛭ GM Heritage — 1965 Chevrolet El Camino, p.3 | confirmed |
| Z02 | Push-Button Radio & Auxiliary Speaker | 1964 | confirmed | |
| Z04 | Heavy Duty Chassis Equipment | 1965 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.4 ⛭ GM Heritage — 1965 Chevrolet El Camino, p.31 | confirmed |
| Z08 | Body Molding & Trim | 1965 | confirmed | |
| Z13 | Comfort & Convenience Type B | 1965 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.14 ⛭ GM Heritage — 1965 Chevrolet El Camino, p.3 | confirmed |
| Z14 | A/C Body Conversion (1) | 1970–1972 | confirmed | |
| Z15 | SS 454 | 1970 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.79 ⛭ GM Heritage — 1970 Chevrolet El Camino, p.24 | confirmed |
| Z15 | SS Equipment | 1971–1972 | ⛭ GM Heritage — 1971 Chevrolet Chevelle, p.70 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.11 | confirmed |
| Z16 | Special Sport Coupe & Convertible Equipment | 1965 | ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.4 ⛭ GM Heritage — 1965 Chevrolet El Camino, p.31 | confirmed |
| Z19 | Convenience Group | 1966 | ⛭ GM Heritage — 1966 Chevrolet Chevelle, p.83 ⛭ GM Heritage — 1966 Chevrolet El Camino, p.3 | confirmed |
| Z20 | Engine Conversion (1967 Fremont El Camino) | 1967 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | single-source |
| Z20 | Monte Carlo SS | 1970–1971 | confirmed | |
| Z25 | Super Sport (oddly 1970 most build sheets list ZL3 instead of Z25) | 1969–1970 | ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.83 ⛭ GM Heritage — 1970 Chevrolet El Camino, p.23 | confirmed |
| Z29 | Vinyl Stripe | 1967 | confirmed | |
| Z35 | 300 Deluxe trim option - Canada only on 13437 Chevelle | 1971–1972 | single-source | |
| Z49 | Mandatory Canadian Base Equipment Modifications | 1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| Z83 | Road Hazard Package | 1966 | confirmed | |
| ZJ6 | Special Sport Sedan | 1968–1969 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.73 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.68 | confirmed |
| ZJ7 | Special Wheel, Hub Cap & Trim Ring | 1968–1972 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.28 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.13 | confirmed |
| ZJ9 | Auxiliary Lighting Group (contents depends on year and body style) | 1968–1972 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.70 ⛭ GM Heritage — 1971 Chevrolet El Camino, p.43 | confirmed |
| ZK1 | Insulation Package (Monte Carlo only?) | 1972 | confirmed | |
| ZK3 | Deluxe Seat Belts & Front Seat Shoulder Harness | 1968–1969 | ⛭ GM Heritage — 1968 Chevrolet Chevelle, p.70 ⛭ GM Heritage — 1969 Chevrolet El Camino, p.55 | confirmed |
| ZK5 | Concours Sedan | 1968 | confirmed | |
| ZK6 | Concours Sport Sedan | 1968 | confirmed | |
| ZK7 | Concours Sport Coupe | 1968 | confirmed | |
| ZK8 | Tire Pressure Chart (1971 Arlington only) | 1970–1971 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| ZL2 | Special Ducted Hood Air System | 1970–1972 | ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.18 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.74 | confirmed |
| ZL3 | SS 396 Conversion | 1969–1970 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| ZO2 | Three Tone Paint | 1972 | single-source | |
| ZO3 | Monte Carlo Custom | 1972 | single-source | |
| ZP1 | COPO Tires | 1969 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| ZP3 | Special Paint | 1966–1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| ZP5 | Appearance Guard Group | 1970–1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) ⛭ GM Heritage — 1971 Chevrolet Chevelle, p.59 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.41 | confirmed |
| ZQ1 | Decor Group | 1970 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | single-source |
| ZQ2 | Operating Convenience Group | 1970–1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.93 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.41 | confirmed |
| ZQ7 | Canada Warranty Book | 1969 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| ZQ9 | Rear Axle - Performance Ratio | 1970–1972 | ⛭ GM Heritage — 1971 Chevrolet Chevelle, p.31 ⛭ GM Heritage — 1971 Chevrolet El Camino, p.58 | confirmed |
| ZR8 | White Stripe | 1971–1972 | ⛭ GM Heritage — 1971 Chevrolet Chevelle, p.69 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.8 | confirmed |
| ZW4 | Standard Transmission | 1971–1972 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) ⛭ GM Heritage — 1971 Chevrolet Chevelle, p.62 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.6 | confirmed |
| ZX1 | Export Procedure #1 (1970 Baltimore El Camino Export) | 1970 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | single-source |
| ZX2 | Export Procedure #2 (1969 Fremont El Camino) | 1969 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| ZY6 | Taxable Status (1969 Fremont El Camino 1971 Baltimore Malibu Sport Coupe) | 1969, 1971 | footnote-flagged in source (Canada/export, build-sheet/tag-only, documentation-only, or package base engine not reported as an option — see chevellestuff legend) | confirmed |
| 703 | Trim - Vinyl Coated | 1971–1972 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 705 | Trim - Vinyl Coated | 1971 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 714 | Trim - Vinyl Coated | 1971 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 720 | Trim - Vinyl Coated | 1966 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 721 | Trim - Vinyl Coated | 1971–1972 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 724 | Trim - Bucket Seats | 1965 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 726 | Trim - Vinyl Coated | 1971 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 731 | Trim - Vinyl Coated | 1971–1972 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 759 | Trim - Vinyl Coated | 1965 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 761 | Black Vinyl | 1966 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 761 | Trim - Vinyl Coated | 1967 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 780 | Trim - Deluxe Cloth | 1968 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 793 | Trim - Vinyl Coated | 1968 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 794 | Trim - Deluxe Cloth | 1967 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 795 | Trim - Vinyl Coated | 1970 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 796 | Trim - Vinyl Coated | 1969 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 950 | Color Combination Two Tone | 1965–1968 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 956 | Color Combination Two Tone | 1971–1972 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 959 | Color Combination Two Tone | 1969 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 960 | Color Combination Two Tone | 1971 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 961-7 | Color Combination Two Tone | 1970 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 968 | Color Combination Two Tone | 1971 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 969 | Color Combination Two Tone | 1971 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 971 | Color Combination Two Tone | 1971 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
| 977 | Color Combination Two Tone | 1971 | interior trim / two-tone paint accounting code, not a customer check-box option | single-source |
Package highlights
| Code | Description | Years | Models/Notes | Confidence |
|---|---|---|---|---|
| Z16 | Malibu SS 396 package — 375 hp 396, boxed frame, HD suspension | 1965 | 201 built (200 hardtops, 1 convertible); listed as "Special Sport Coupe & Convertible Equipment" in GM records ⛭ GM Heritage — 1965 Chevrolet Chevelle, p.4 ⛭ GM Heritage — 1965 Chevrolet El Camino, p.31 | confirmed |
| Z25 | SS 396 Equipment package | 1969–1970 | SS became an option package (previously its own series 1964–68); base engine L35/L34 396 ⛭ GM Heritage — 1969 Chevrolet Chevelle, p.83 ⛭ GM Heritage — 1970 Chevrolet El Camino, p.23 | confirmed |
| Z15 | SS 454 (1970) / SS Equipment (1971–72) | 1970–1972 | 1970: SS 454 with LS5 base; 1971–72: single SS option covering 350/402/454 engines ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.79 ⛭ GM Heritage — 1972 Chevrolet El Camino, p.11 | confirmed |
| YF3 | Heavy Chevy package | 1971–1972 | Budget muscle trim on Malibu sport coupe; any V8 except 454 ⛭ GM Heritage — 1971 Chevrolet Chevelle, p.58 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.58 | confirmed |
| ZL2 | Cowl-induction hood ("Special Ducted Hood Air System") | 1970–1972 | SS only ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.18 ⛭ GM Heritage — 1972 Chevrolet Chevelle, p.74 | confirmed |
| LS6 | 454 ci 450 hp V8 | 1970 (–1971 listed) | The legendary SS 454 LS6; 1971 LS6 Chevelle listed but essentially none delivered — treat 1971 as disputed (factory kit resolves: present in 1970-Chevrolet-Chevelle.txt) ⛭ GM Heritage — 1970 Chevrolet Chevelle, p.63 ⛭ GM Heritage — 1971 Chevrolet El Camino, p.33 | confirmed |
| ZL3 | "SS 396 conversion" accounting code | 1969–1970 | Appears on many 1970 build sheets in place of Z25 | confirmed |
Sources
- ChevelleStuff.net — "Chevelle RPO by Year, A–M / N–Z": https://www.chevellestuff.net/qd/rpo1.htm and http://chevellestuff.net/qd/rpo2.htm (primary; per-year availability matrix)
- ChevelleStuff 1970/1971/1972 options by series/model (Chevelle + Monte Carlo): http://chevellestuff.net/1970/options_by_model.htm, http://chevellestuff.net/1971/options_by_model.htm, http://chevellestuff.net/1972/options_by_model.htm
- Ground Up / SS396.com — "1964-1972 Chevelle RPO Codes": https://www.ss396.com/cars/1964-1972-chevelle-rpo-codes/
- 348-409.com — "Chevrolet R.P.O. codes": https://www.348-409.com/rpo1.html (division-wide cross-check)
- MacsWebs mirror (same author/data as chevellestuff, not counted as independent): https://macswebs.com/chevyworld/decode/rpo/rpo1.html
- Camaro Research Group option list (cross-check of shared A-body/F-body codes): https://www.camaros.org/pdf/options.pdf
- NovaResource RPO production tables (cross-check of shared codes): https://novaresource.org/rpo.htm
Factory kits (T1)
GM Heritage Center factory kits, docs/heritage-ocr/chevrolet/: 1964–1972-Chevrolet-Chevelle.txt and 1964–1972-Chevrolet-El-Camino.txt. Citations inline as <span class="doc-cite">⛭ GM Heritage — <file></span>.