1963 – 1967 General Motors NOS Positive Crankcase Ventilation Valve GM # 6421971

This new old stock crankcase ventilation valve was manufactured by General Motors for use on the following models:

Buick 1963 – 1967 with V6,

Chevrolet 1965 Chevy, Chevelle with closed vent 6-cylinder,

Chevrolet 1966 Chevy, Chevelle with closed vent (230),

Chevrolet 1965 – 1966 Passenger except Taxi, 8-cylinder A.I.R.,

Chevrolet 1967 All with 230, 250 except A.I.R.,

Oldsmobile 1964 – 1965 with V6 with P.V.C.,

Oldsmobile 1966 – 1966 with L6 with except closed P.V.C., A.I.R.,

Pontiac 1961-1963 Tempest with 4-cylinder (T/4),

Pontiac 1964-1965 Tempest with 6-cylinder (T/6)

  AC Type CV-609C

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