S&S Cycle .366in x .025in External Retaining Ring

When you're rebuilding the top end of your engine, especially if you're working on a performance build, getting the right small parts is crucial. This S&S Cycle external retaining ring is designed to hold your piston pin securely in place. It's a small but vital piece that ensures your piston moves correctly within the connecting rod without any unwanted play.

This particular ring measures .366 inches in diameter and has a thickness of .025 inches. It's made to be a direct fit for its intended application, meaning it should install without modification. You get a pack of 11 rings, which is handy if you're working on multiple cylinders or want spares on hand for future engine work. Ensuring these rings are properly seated is key to a smooth-running engine.