BILLET 7075 ALUMINUM CENTER SUPPORT W/ OVERSIZED BILLET INTERMEDIATE PISTON (10% LARGER), 5.2 LBS.

• For use in stock TH400 or non-center lube 4L80E cases or Reid TH400 "Drag Case"

The Coan Racing COA‑22898A center support assembly is a race-proven upgrade, machined from high-grade 7075 billet aluminum and engineered to maximize the performance of Turbo 400 or non‑center‑lube 4L80E cases or Reid TH400 drag-style cases. Weighing just 5.2 pounds, this compact yet rugged unit incorporates an intermediate piston that is approximately 10% larger than factory, multiplying hydraulic pressure during clutch application for sharper shifts and enhanced holding power, ideal for high-torque, high-stress environments. 

CNC-machined to precise OEM tolerances, the COA‑22898A supports performance builds by bolstering clutch retention and reducing deflection under load, while offering a direct bolt-in replacement with no additional modifications required. Whether you're prepping a street-strip cruiser or a full-on race transmission, this center support delivers elite durability and dynamic responsiveness, solidifying its place as a serious upgrade for transmission builders and racers alike.