4.600" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Get high flow for your

Get high flow for your car with Speedmaster water pumps

and their special serrated nuts guard against pan loosening during operation

they are made from 5140 Chromoly steel

capable of withstanding valve spring load up to 600lbs

and reduced friction to extend their life

4.600" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 Get high flow for yourThese 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.