; 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
- Cast Aluminum
- single groove
- 50% reduction
- SBC
- long water pump
- Grooves give belt retention
- Pulley diameter slows fan/water pump/alternator speed to reduce drag
- Pump impeller speed below cavitation threshold
- Uses 36° x 17/32W belt.