4.000" - 4.060" Bore Piston Oil Ring Rail Spacer Support (0.020" Thick) One very small

One very small

and an advanced design to absorb engine vibrations

You can get up to 50 percent more starting power when you pick one of these Speedmaster high-torque mini starters

Speedmaster shirts are the perfect way to let everyone know where you go for high performance aftermarket parts and accessories

you must use one that is also approved as street legal for your application

4.000" - 4.060" Bore Piston Oil Ring Rail Spacer Support (0.020" Thick) One very smallThese Speedmaster piston oil ring spacers are used in applications where the piston oil ring groove intersects the pinhole. Speedmaster piston oil ring spacers are manufactured from spring steel and install against the bottom sill of the oil ring groove. Available in different bore diameters to suit your specific engine's needs, the Speedmaster piston oil ring spacers will keep your pistons working smoothly throughout the entire operating range.