4.600" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 The Speedmaster universal 21 circuit

The Speedmaster universal 21 circuit harness can be used in any vehicle application

but have profiled counterweights for less weight

The TorqueWorm is a torque biasing 6 pinion gear type limited slip unit

These canisters are made from high-quality materials to ensure optimum performance

4.600" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 The Speedmaster universal 21 circuitThese 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.