REVERSE PISTON .820 (6 CLUTCH STANDARD BRAKE / MANUAL)

The Coan Racing COA‑12843B Reverse Piston (.820″, 6‑Clutch Standard Brake/Manual) is a precisely engineered hydraulic component designed to enhance Powerglide transmissions outfitted with a six‑plate reverse brake pack. Engineered for a direct-fit, .820‑inch provides accurate hydraulic pressure and improved surface engagement, ensuring reliable reverse gear application under moderate loads.

Crafted to exact dimensions and built from durable materials, this piston maintains consistent sealing performance and contributes to smooth, dependable drivetrain operation, making it an ideal choice for both routine rebuilds and performance-focused builds that retain the standard brake setup.