JE Pistons Wrist Pin Lock, Spiral Lock, 0.896"-0.945" Wrist Pin Diameter, 0.073" Thick, Steel, Each

JE Pistons lock rings are designed for floating-pin pistons. Engines produced with press-fit pins can be converted to the "floating" type, providing that the piston has provisions for a lock ring retainer. Floating pins are preferred by most serious engine builders.