Lightweight 4140 Billet Steel Direct Drum Assembly w/ Super Sprag

LIGHTWEIGHT STEEL DIRECT DRUM ASSY, (4140 BILLET) W/SUPER SPRAG (BARE - NO CLUTCHES, STEELS, PISTON)

The Coan Racing CCP‑0228662H Lightweight Steel Direct Drum Assembly is a race-proven, high-strength core designed for Turbo Hydramatic 400 transmissions under extreme conditions. Crafted from 4140 billet steel, this drum is lighter than traditional units while maintaining impressive durability and thermal stability ideal for rigorous drag-strip and circuit use. Featuring Coan’s renowned “Super Sprag” one-way clutch, the CCP‑0228662H delivers dependable engagement and robust load handling. Supplied as a bare core, without clutches, steels, or piston, it offers builders the flexibility to install a custom clutch pack tailored to their specific performance needs.

CNC-machined to exact tolerances, this direct drum ensures a precision fit and a solid foundation for high-load transmission builds, combining the resilience of steel with the benefits of reduced rotating mass for quicker response and enhanced shift dynamics.