SBC 50% Reduction Crank Pulley – Long Water Pump 54100
B&B 54100 Crankshaft Pulley offers a 50% reduction in RPM over most stock Crankshaft Pulleys. Made from Cast 356 Aluminum, each pulley is machined to exacting tolerances. These deep groove pulleys are constructed to properly align belts with existing pulleys at race engine speeds. Reduction in belt speed reduces the chance of premature failure of belt driving accessories.
- SBC with Long Water Pump 1969 and later applications.
- 50% RPM Reduction
- Includes Socket Head Crankshaft Bolts and Lock Washers