4.540" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 These Speedmaster deep aluminum transmission

These Speedmaster deep aluminum transmission pans will increase fluid capacity

that have a 4bolt pattern

These durable but lightweight aluminum pumps push up to 60 gallons of water per minute of coolant circulation

The right choice is critical for your engine and your wallet--choose Speedmaster iron distributor gears

more stable valvetrain operation

4.540" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 These Speedmaster deep aluminum transmissionThese 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.