FORWARD CLUTCH HUB TO DIRECT DRUM WASHER

The Coan Racing COA‑22413 washer is specifically machined to serve as a thrust interface between the forward clutch hub and the direct drum in Turbo Hydramatic 400 transmissions. It ensures precise alignment and optimal clearance, helping maintain proper positioning of the rotating assembly under high load conditions. Through accurate dimensional control, this washer plays a critical role in preventing excessive endplay, ensuring smooth clutch engagement and consistent transmission performance.

By preserving key clearances and minimizing friction, the COA‑22413 contributes to increased drivetrain reliability and extended service life.