SBC 3 GRV Crank Pulley LWP Polished

The SBC 3 GRV Crank Pulley LWP Polished from Billet Specialties is a premium crankshaft pulley engineered for small block Chevy engines running long water pump configurations. This polished aluminum pulley features a three-groove V-belt design with a 6.438-inch diameter, delivering the precise fitment and balanced performance required for reliable engine operation across street, strip, and show applications.

Constructed from lightweight aluminum and finished to a mirror polish, this crankshaft pulley reduces rotating mass while maintaining structural integrity under sustained engine speeds. The three-groove configuration ensures proper belt drive engagement for alternator, water pump, and accessory drives. The long water pump specification confirms compatibility with small block Chevy engines utilizing extended-shaft cooling systems, a critical detail for proper serpentine belt routing and pulley alignment. At 2.29 pounds, this pulley minimizes inertial load without compromising durability, making it ideal for builds prioritizing both aesthetics and functional performance.

Builders restoring small block Chevy engines—whether for classic muscle cars, street rods, or restomod projects—rely on Billet Specialties crankshaft pulleys to maintain OEM fitment while upgrading visual appeal. The polished finish complements custom engine bays and resists oxidation in typical engine compartment environments. Buyers selecting this component should verify their specific water pump length configuration before ordering, as this pulley is engineered exclusively for long-shaft applications.