4.530" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 These pumps have a 97

These pumps have a 97 gph flow rate

Performance Cast Iron cylinder heads are designed to be a direct replacement for your worn or cracked heads

On the outside we've added a heavy-duty

They can be used with stock internal and external pickup systems

These Speedmaster filters are washable and reusable

4.530" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 These pumps have a 97These 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.