Cruise Control

Years 1963–81 Models 7 Factory citations 12

Also described as Speed & cruise control (Cruise-Master)Cruise-Master speed controlSpeed and Cruise ControlSpeed Control (cruise; automatic trans. required)Cruise controlSpeed & cruise controlCruise-master speed control

Documented applications

Camaro

1967–1968 Factory-verified

V8 + M35

GM Heritage factory kit — 1967 Chevrolet Camaro, p.57.
GM Heritage factory kit — 1968 Chevrolet Camaro, p.32.
mid-1970s–1981 Confirmed

Chevelle / El Camino

1967–1968, 1970, 1972 Factory-verified

GM Heritage factory kit — 1967 Chevrolet El Camino, p.26.
GM Heritage factory kit — 1972 Chevrolet Chevelle, p.53.

Corvette (C3)

1977 Factory-verified

$88.00; 29,161 built

GM Heritage factory kit — 1977 Chevrolet Corvette, p.48.
1978 Factory-verified

$99.00; 31,608 built

GM Heritage factory kit — 1978 Chevrolet Corvette, p.22.
1979 Factory-verified

$113.00; 34,445 built

GM Heritage factory kit — 1979 Chevrolet Corvette, p.7.
1980 Factory-verified

$123.00; 30,821 built

GM Heritage factory kit — 1980 Chevrolet Corvette, p.6.

Impala / Full-Size

1963–70s (varies) Confirmed

Monte Carlo

1970, 1972 Factory-verified

GM Heritage factory kit — 1970 Chevrolet Monte Carlo, p.76.
GM Heritage factory kit — 1972 Chevrolet Monte Carlo, p.28.

Nova / Chevy II

1976–1979 Factory-verified

GM Heritage factory kit — 1976 Chevrolet Nova, p.62.
GM Heritage factory kit — 1979 Chevrolet Nova, p.56.

C/K Trucks

1967–72 Confirmed

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This page aggregates every documented appearance of K30 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.