1969 - 1975 Chevelle Crankshaft Pulley, Big Block 3 Groove
New crank pulley for your 1969 - 1975 Chevelle. Exact fit for all models with a big block engine; LS5, 396, 402, 454, etc. Factory correct for air condition equipped cars. Approximately 7-5/8 in diameter. Please remember this will only work with 69 up long water pumps. Replaces original GM part # 3937787.
PART NUMBER: ENC-242-CH
Note this important warning ~ This is a stock replacement pulley. It is not designed to exceed 400 horsepower or 6000 rpms. Classic Headquarters assumes no liability for damage caused by improper usage.
