4.560" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 The automobile engine is a

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

These Speedmaster TDS rear housing ends will get the job done

Speedmaster stud girdles will tie your studs together

The ample wire lengths make this kit suited for everything including trucks with long beds and extra cabs

4.560" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 The automobile engine is aThese 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.