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CNC-machined from high-tensile billet steel for strength and precision
They take the place of your head bolt washers and are hardened and chamfered
Made from premium materials and built to exacting tolerances
These high-flow style air cleaners feature chromed steel construction and a free-flow
accurate movements when shifting
4.310" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 CNC-machined from high-tensile billet steelThese 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.
