4.280" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 They're available for a variety

They're available for a variety of applications

Featuring a boltin EFI downdraft injection system and complete serpentine drive kit

which feature color-matched components--an industry first

Featuring a low profile design and a high flow runner design these manifolds will improve performance from 1500-6500 RPM range

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 They're available for a varietyThese 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.