Click to enlargeAluminum Crankshaft Pulley

Chevrolet big block aluiminum crankshaft pulley, short water pump, double groove, v-belt, Transdapt 8877. Made of 356 aluminum alloy, heat treated to T-6 specs. Pulley diameter is 6 7/16" with a 2 1/2" depth.

HOW TO IDENTIFY YOUR PULLEY DESIGN: The "short" water pump almost touches the timing cover. The "long" water pump stands away from the timing cover about a "fingers width". The short water pump was commonly used on older big block engines. All engine accessory brackets and pulleys must be of the short pump design.


Chevrolet big block crankshaft pulley short pump double groove Transdapt 8877 8877$59.95
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