1934 – 1978 General Motors NOS Engine Intake and Exhaust Valve Stem Key GM #  3947770

This new old stock intake and exhaust valve stem key (keeper set of two) was manufactured by General Motors for use on the following models:

Chevrolet 1934 – 1957 All, Corvette – Used on 1934-1935 jobs only with valves 609379-609380 with annular grooves.

Chevrolet 1938 – 1964 Passenger except 348, 409,  

Chevrolet 1958 – 1961 Passenger with Dual valve springs 348,

Chevrolet 1958 – 1964 Passenger with 348, 409 except dual valve springs

Chevrolet 1958 – 1961 Passenger with  348,

Chevrolet 1960 – 1961 Corvair All,

Chevrolet 1962 Corvair All except 927-967  1st jobs with turbo charged engine,

Chevrolet 1962 – 1966  Chevy, Chevelle except with 396,

Chevrolet 1963 – 1969 Corvair All intake all 1 groove,

Chevrolet 1962 – 1966  Chevy, Chevelle except with 396,

Chevrolet 1965 – 1969 All with 396, 400 with 4BC, 409, 427, 454,

Chevrolet 1970-1976 All  with 454,

Chevrolet 1965 – 1974 Corvette All with 396, 427, 454,

Chevrolet 1966 – 1969 All with  427, 

Chevrolet 1970 – 1972 All  with 2BC 400,

Chevrolet 1970 – 1971 All  with 4BC 400,

Chevrolet 1972 All  with 4BC 402,

Chevrolet Pickup 1958-1965 All with 348, 409,

Chevrolet Pickup 1966-1970 All with 366, 427,

Chevrolet Pickup 1971-1972 All, MHC with 427,

Chevrolet Pickup 1973-1978 All, MHC with 454,

GMC 1971 Sprint with 4BC 400,

GMC 1971-1975 Sprint with 454,

GMC 1972 Sprint with  402,

GMC Truck 1965-1974 All with 348, 366, 409, 427 V8,

Oldsmobile 1949 – 1962 All.

Replaces  838029, 3747310, 3893230 & 3947880         Price is for a set of two.

NOTE: Images show the condition and what is included in the sale.

*This item may be re-packaged to protect it from shelf wear.