4.290" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Store and protect your differentials

Store and protect your differentials the easy way with our Speedmaster horizontal differential storage cases

for the Ford Coyote (2015-2020)

Speedmaster valve guides are constructed from high-quality bronze for durability and wear

Speedmaster's velocity stacks are chrome plated with a steel mesh top

4.290" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Store and protect your differentialsThese 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.