4.280" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Speedmaster freeze plugs will not

Speedmaster freeze plugs will not rot out

These Speedmaster gasket kit sets include premium-quality head gaskets

Their durable finish cleans up easily to provide lasting good looks under your hood

making it exceptionally lightweight

Speedmaster machined aluminum water pump pulley nose cones are constructed from top-quality 356 aluminum alloy that's heat-treated to T6 specifications

4.280" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Speedmaster freeze plugs will notThese 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.