Crankshaft Pulley, Billet. single groove, 30% reduction, BBC short water pump
Features- Fits: BBC, 1968-earlier (with short water pump), 5.25" O.D.
- CNC Machined from billet aluminum with hard-coat anodized finish
- Deep precision machined grooves ensure belt retention even during extreme changes in engine RPM
- When crankshaft and water pump pulleys are used together, water pump speed is reduced by approximately 30%
- Uses 36¬? x 17/32" wide belt
- Type:
- Crankshaft
- Style:
- V-belt
- Groove Quantity:
- 1
- Underdrive:
- 30%
- Water Pump Style:
- Short
- Finish:
- Black anodized
- Material:
- Billet aluminum
- Outside Diameter (in.):
- 5.250 in.
- Hardware Included:
- No
- Bolt Hole Quantity:
- 3
- Quantity:
- Sold individually.
- Notes:
- Requires 36 degree x 17/32 inch wide belt.
- Make:
- Chevrolet
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 6.5L/396-7.4L/454
- Years:
- 1966-1970
