4.580" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Speedmaster oil pump pickups are

Speedmaster oil pump pickups are specially matched to our Speedmaster oil pans

they have hardened stem tips for durability and are swirl-polished

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

050 effectively decreasing spring pressure

They're made from quality steel

4.580" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Speedmaster oil pump pickups areThese 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.