Pontiac · 1961-1974
GTO
gto · gto judge · the judge · tempest · tempest custom · lemans · le mans · lemans sport
42 option rows 33 RPO codes 19 model years
0% Factory-verified
- ✓ Factory-verified · 0
- ● Confirmed · 23
- ◑ Single-source · 19
- ⚠ Disputed · 0
Applicable options
Documented RPO codes
Model year
| Code | Option | Years | Notes & factory source | Confidence |
|---|---|---|---|---|
| 382 | GTO option package — 389 4-bbl (325 hp), HD 3-speed floor shift, dual exhaust, hood scoops, badges | 1964 | Tempest LeMans (coupe, hardtop, convertible); $295.90 | Confirmed |
| — | 389 Tri-Power, 348 hp | 1964 | GTO engine option; sales code not confirmed in sources | Confirmed confirmed (engine), code gap |
| 382 | GTO option package — 389 4-bbl (335 hp) | 1965 | Tempest LeMans; Tri-Power (360 hp) optional | Single-source |
| XS | 389 Tri-Power Ram Air engine (360 hp) — first factory Ram Air | 1966 | GTO; XS is the engine block letter code; ordered as dealer-installed/COPO-style package | Confirmed |
| n/a | Sprint Option Package (OHC-6 207 hp, floor shift, handling items) — $127 | 1966 | Tempest/LeMans | Single-source |
| n/a | Rally gauge cluster + tachometer — $86 | 1966 | GTO/LeMans | Single-source |
| n/a | Ride & Handling package — $16 | 1966 | A-body | Single-source |
| n/a | Safe-T-Track limited slip — $37 | 1966 | A-body | Single-source |
| — | 400 Ram Air ("Ram Air I", 360 hp) | 1967 | GTO; ordered via sales code (number not confirmed in web sources); 751 built | Confirmed confirmed (option), code gap |
| — | 400 HO (360 hp) | 1967 | GTO | Confirmed confirmed (option), code gap |
| 347 | Ram Air 400 (special order) — Ram Air I, replaced mid-year by Ram Air II (366 hp) | 1968 | Documented on Firebird sales-code list; same-era GTO Ram Air ordering used sales codes — GTO-specific number not independently confirmed | Single-source |
| 348 | 400 HO engine option | 1968 | As above (Firebird-documented sales code) | Single-source |
| WT1 | "The Judge" option package — Ram Air III, Rally II wheels (no trim rings), rear airfoil, stripes, blacked-out grille, T-handle shifter | 1969–1970 | GTO; $337 (1969), $337.02 (1970) | Confirmed |
| L74 | 400 Ram Air III (366 hp) | 1969–1970 | GTO (std on Judge) | Confirmed |
| L67 | 400 Ram Air IV (370 hp) — required 4-speed or auto, Safe-T-Track, 3.90 axle | 1969–1970 | GTO/Judge | Confirmed |
| WS | Engine block code: Ram Air III w/ manual | 1969 | Block letter code, not RPO (per Judge Registry) | Confirmed |
| YZ | Engine block code: Ram Air III w/ auto | 1969 | Block letter code | Single-source |
| WW | Engine block code: Ram Air IV w/ manual | 1969 | Block letter code | Single-source |
| XP | Engine block code: Ram Air IV w/ auto | 1969 | Block letter code | Confirmed |
| UB5 | Hood-mounted tachometer | 1969–1970 | GTO/Firebird (documented on 1969 Firebird list) | Single-source |
| N98 | Rally II wheels | 1969+ | Corporate UPC, shared across Pontiac lines | Confirmed |
| G80 | Safe-T-Track differential | 1969+ | Corporate UPC (replaces sales code 731) | Confirmed |
| C60 | Custom air conditioning | 1969+ | Corporate UPC (replaces sales code 582) | Confirmed |
| D55 | Front console | 1969+ | Corporate UPC | Confirmed |
| WT1 | The Judge package | 1970 | $337.02; contents as 1969 + updated stripes | Confirmed |
| L74 | 400 Ram Air III (366 hp) | 1970 | GTO | Confirmed |
| L67 | 400 Ram Air IV (370 hp) | 1970 | GTO (Firebird's 1970 RA IV used UPC LS1) | Confirmed |
| L75 | 455 4-bbl (360 hp) | 1970 | GTO; L75 = corporate 455 4-bbl UPC (documented on Firebird 1971–76); GTO-specific usage not independently confirmed | Single-source |
| D80 | Rear deck airfoil (spoiler) | 1970 | Std on Judge, optional GTO | Single-source |
| — | Vacuum Operated Exhaust (VOE) | 1970 | Rare, ~233 built; ordered by sales code; withdrawn Jan 1970 | Single-source |
| WT1 | The Judge package (final year; ended Feb 1971 — 357 hardtops, 17 convertibles) | 1971 | GTO 455 HO standard on Judge | Confirmed |
| LS5 | 455 HO (335 hp gross / 310 net) | 1971–1972 | GTO; same UPC documented on Firebird ’71–72 | Confirmed |
| L78 | 400 4-bbl (300 hp) | 1971 | GTO standard engine's UPC per corporate lists | Single-source |
| L75 | 455 4-bbl | 1971 | GTO option | Single-source |
| WW3 | GTO option package — $353.88 | 1972 | LeMans and LeMans Sport coupes | Single-source |
| LS5 | 455 HO (300 hp net) | 1972 | GTO option | Confirmed |
| — | GTO option package on Colonnade LeMans/LeMans Sport (400 4-bbl std, 455 optional) | 1973 | Package UPC not confirmed in web sources (likely WW3 carry-over) — gap | Confirmed confirmed (package), code gap |
| WW3 | GTO package — $461: 350 4-bbl (200 hp), 3-speed floor shift, HD suspension, shaker scoop, grille/trim | 1974 | Ventura coupe & hatchback; 7,058 built | Single-source |
| M20 | 4-speed manual — $207 | 1974 | Ventura GTO | Confirmed |
| N41 | Power steering (variable ratio) — $104 | 1974 | Ventura GTO | Single-source |
| JL2 | Power front disc brakes — $71 | 1974 | Ventura GTO; same UPC on Firebird ’75 list | Confirmed |
| A51 | Strato bucket seats — $132 | 1974 | Ventura GTO | Single-source |
Source document: pontiac/gto.md. Rows marked — record an option the factory offered whose RPO code is not documented in the consulted sources.