4.600" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 or larger wheels to clear

or larger wheels to clear them

capable of withstanding valve spring load

Get high flow for your car with Speedmaster water pumps

These rockers are the best deal on the market for your high performance and racing application

and reduced friction to extend their life

4.600" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 or larger wheels to clearThese 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.