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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 |