Crankshaft Pulley, Cast, double groove, 50% reduction, SBC long water pump
Features- Fits: SBC and 90 Degree V6 Chevys, 1969-later (with long water pump)
- 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
- Pulley Style:
- V-belt
- Water Pump Style:
- Long
- Crankshaft Pulley Bolt Hole Quantity:
- Three
- Groove Quantity:
- 2
- Underdrive:
- Yes
- Underdrive Percentage:
- 50 percent
- Overdrive:
- No
- Hardware Included:
- No
- Outside Diameter (in.):
- 4.040 in.
- Crankshaft Nose Cover Included:
- No
- Pulley Material:
- Aluminum
- Pulley Finish:
- Natural
- Quantity:
- Sold individually.
- Notes:
- Requires 36 degree x 17/32 inch wide belt.
