Cast Aluminum Crankshaft Pulley; 351-400 Cleveland Ford/Boss 302/All 4 Bolt Dia.; 4.00 in. OD; Double Groove;
- 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
- Uses 36° x 17/32" wide belt
California Proposition 65 Warning: Cancer and reproductive harm. See www.P65Warnings.ca.gov.
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