Chevy BBC 454 Billet Aluminum Long Water Pump LWP 2 Groove Pulley the Speedmaster piston oil ring

the Speedmaster piston oil ring spacers will keep your pistons working smoothly throughout the entire operating range

heat-treated to a maximum strength of 190

these spacers can handle anything your vehicle can dish out

They feature rotary swaged ends are prelubed for smooth operation

Crafted from high-quality aluminum

Chevy BBC 454 Billet Aluminum Long Water Pump LWP 2 Groove Pulley the Speedmaster piston oil ringSpeedmaster aluminum Water Pump pulleys are manufactured from 356 aluminum that is heat treated to T 6 specs. These Speedmaster aluminum Water Pump pulleys help to increase horsepower by reducing accessory drag.