4.500" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Those crankshaft are x-rayed and

Those crankshaft are x-rayed and ultrasonically tested

Mounting hardware is included

compact alternative to bulky transmission coolers

These Speedmaster automatic transmission deep pans provide additional fluid capacity and cooling ability

race-bred styling will make bad intentions clear for drag race

4.500" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Those crankshaft are x-rayed andThese 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.