Steel Crank Hub - SBC 265-350

The Steel Crank Hub – SBC 265-350 from BLOWER DRIVE SERVICE is an essential rotating assembly component engineered for small-block Chevrolet engines ranging from 265 to 350 cubic inches. This steel crank hub serves as the critical interface between your engine's crankshaft and supercharger or accessory drive system, making it indispensable for any serious performance or forced-induction build. Whether you're upgrading a street engine, preparing a race platform, or installing a blower kit, this hub ensures reliable power transmission and precise timing alignment for your drivetrain modifications.

Manufactured from hardened steel, this crank hub is built to withstand the rotational forces and vibration cycles inherent in high-performance applications. The hub's precision-machined design maintains concentricity with your crankshaft, preventing harmonic imbalances that can degrade bearing life or cause vibration issues at sustained RPM. At 3.27 lbs and compact dimensions of 4.15 x 2.6 x 4.35 inches, the hub integrates seamlessly into tight engine compartments while delivering the structural integrity required for supercharged, turbocharged, or naturally aspirated horsepower builds. The solid steel construction resists the thermal cycling and mechanical stress typical of performance engines, ensuring long-term durability across countless heat cycles.

Enthusiasts and professional engine builders rely on the Steel Crank Hub – SBC 265-350 for any SBC platform requiring blower drive or serpentine accessory installation. This component is particularly suited for vintage muscle car restorations, hot rods, street machines, and dedicated race engines where OEM belt-drive systems are being upgraded or modified. Installation requires proper crankshaft alignment and standard engine work procedures; most experienced mechanics can integrate this hub as part of a broader supercharger kit or accessory drive conversion. Compatible with both traditional V-belt and serpentine drive configurations, this hub from BLOWER DRIVE SERVICE ensures your small-block Chevrolet engine delivers consistent power and reliability for years of spirited driving.