REAR SUPPORT BUSHING

The Coan Racing COA‑12521 Rear Support Bushing is a precision-engineered replacement bushing tailored specifically for GM Powerglide transmissions. Machined to meet factory specifications, this bushing restores proper alignment and support between the rear support housing and the output shaft assembly. Crafted from a durable material that resists wear, the COA‑12521 ensures smoother rotational performance under load and enhances the structural integrity of the drivetrain.

Whether you're rebuilding a daily-driven Powerglide or assembling a high-performance unit, this rear support bushing contributes to the transmission’s stability and longevity by maintaining accurate shaft positioning and reducing internal wear.