1963 – 1967 Chevrolet NOS Engine Crankcase Ventilator Valve GM # 6421974

This new old stock engine crankcase ventilator assembly was manufactured by General Motors for use on the following models:

Chevrolet 1966 Passenger with 327 engine except closed crankcase ventilation or air injection reactor system.

Chevrolet 1967 Passenger with V-8 engine except closed crankcase ventilation,

Chevrolet Truck 1963-66 Series 50-60 with 292

Parts history note: changed to 6421972 in July of 1967. AC #CV608C

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

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