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
Description
Cast Aluminum Crankshaft Pulley; 69 Up Chevy 302-350 w/Long Water Pump; 4.95 in. OD; Single Groove;