The Sonnax 28755‑03 High Clutch Drum Spring Retainer Retaining Ring is a precision-engineered snap ring designed specifically for GM Powerglide transmissions. Crafted to securely hold the high clutch drum spring retainer in place, this critical component ensures proper alignment under heavy-duty operating conditions. Manufactured to Sonnax’s exacting specifications and sold in convenient five‑piece packs, the 28755‑03 is an OEM-quality replacement part that helps prevent spring retainer migration and maintains clutch assembly integrity.

Easy to install, it forms a reliable seal that preserves proper clutch spring tension and enhances the durability of high-performance Powerglide rebuilds and upgrades. Whether used in routine maintenance or performance-focused builds, this retaining ring offers exceptional strength, exact fitment, and peace of mind on the road.

Package Quantity: 5