Moroso Crankshaft Pulley Chevy 396-454 #64210

Part #64210
Chevrolet 396-454, double groove, pre-1969 (with short water pump), 25% reduction. 5.40" o.d.

Precision machined from high grade, lightweight aluminum castings
Extra-deep belt grooves provide added belt retention during rapid changes in engine RPM
Small pulley diameter slows fan, water pump, and alternator speed to reduce horsepower-robbing drag
High RPM water pump operation is improved, reducing impeller speed below cavitation threshold
Use 36 degree x 17/32" wide belt