Billet Steel "Ultimate Super Drum" Assembly w/ Super Sprag, 5 Clutch Intermediate

BILLET STEEL "ULTIMATE SUPER DRUM" ASSY. W/SUPER SPRAG, 5 CLUTCH INTERMEDIATE (INCLUDES COA-22230 & COA-22818A)

The Coan Racing COA‑22816 Billet Steel “Ultimate Super Drum” Assembly is a top-tier, competition-grade upgrade crafted specifically for Turbo Hydramatic 400 transmissions. This precision-engineered drum combines a rugged billet steel housing with a high-capacity Super Sprag and a 5‑clutch intermediate pack, including essential internal components (COA‑22230 & COA‑22818A) to create a complete, race-ready assembly.

Constructed in the USA to exacting standards, the Ultimate Super Drum is built to withstand the brutal torque and intense conditions of drag racing and bracket competition. It replaces the weaker OEM assembly, offering exceptional structural integrity and sustained clutch engagement. Designed for drop-in installation, it fits standard TH400 cases without modifications and is built to handle continuous high-heat, high-load cycles with dependable performance.

In essence, the COA‑22816 presents a formidable blend of strength, reliability, and performance. Its billet steel design and comprehensive clutch package provide a robust foundation for aggressive builds, ensuring crisp shift response, maximum power transfer, and long-term durability in aggressive street/strip or dedicated race environments.