Speedmaster Piston Oil Ring Rail Spacers

Ensure Proper Oiling for Your Piston Rings

Speedmaster Piston Oil Ring Rail Spacers are designed for use when the piston oil ring groove intersects the pinhole. These rail spacers install against the bottom side sill of the oil ring groove to keep pistons working as they should throughout all RPMs. Available in various bore diameters to fit your application needs.