1V Accessory Pulley/ Crank Hub

The 1V Accessory Pulley/Crank Hub from The Blower Shop is a precision-engineered component designed specifically for supercharger and blower installations on high-performance engine builds. This crank hub serves as the critical interface between your engine's crankshaft and auxiliary drive components, enabling efficient power transfer to superchargers, alternators, and other belt-driven accessories. It is essential for those building street performance engines or preparing dedicated track vehicles.

Manufactured to exacting standards by The Blower Shop, this 1V accessory pulley hub features precision machining to ensure concentricity and balanced rotation at high RPM. The hub is designed to work seamlessly with V-belt drive systems commonly found on supercharger installations, providing a secure mounting surface while effectively managing rotational loads. Its compact design—measuring 6.3 x 3.7 x 6.3 inches and weighing just 2.17 lbs—allows for easy installation in tight engine bays while maintaining structural rigidity under demanding conditions.

Quality materials and precision finishing ensure long-term durability and resistance to heat cycling from high-boost applications. This pulley hub benefits both enthusiasts and professional builders implementing blower systems on vintage and modern muscle cars, ensuring compatibility with a range of setups.