4.560" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Speedmaster degree wheels are designed

Speedmaster degree wheels are designed for the normal rebuild

These Speedmaster TDS rear housing ends will get the job done

Note: The 52000/52001 manifold is a stock replacement/street legal part for 302

The automobile engine is a perfect balance of science and mechanical engineering

4.560" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Speedmaster degree wheels are designedThese 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.