1961 – 1967 General Motors NOS Positive Crankcase Ventilation Valve GM # 6421934

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

Chevrolet 1962 Corvette V8 closed vent except 283,

Chevrolet 1962 Passenger V8 closed vent except 283,

Chevrolet 1963 – 1964 Corvette 327 except 3/2-B/C (1st design),

Chevrolet 1963-1964 Passenger with 8-cylinder,

Chevrolet 1964 – 1965 Chevy ll, Chevelle with 8 cylinder except  Special High Performance closed vent,

Chevrolet 1965 Passenger with 283, 327 except closed vent,

Chevrolet 1966 – 1967 Passenger, Chevy ll, Camaro with 283 except closed vent air induction reactor (A.I.R.),

Chevrolet 1967 Passenger 283 except closed positive vent,

Chevrolet Pickup 1963 – 1964 All V8,

Chevrolet Pickup 1965 – 1966 Series 10-30 (283, 327) except closed vent, H.D. A/CI, air induction reactor (A.I.R.),

Chevrolet Pickup 1967 Series 10-30, G 10-20 V8 except closed positive vent,

Oldsmobile 1961 – 1962 with PCV except F85.

Stamped: AC SPARK PLUG     TYPE CV 590C

Replaced 6421239 on 08/65 & 5649689 on 01/66

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

*This item may be repackaged to protect it from shelf wear