4.530" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 leading to valve seat damage

leading to valve seat damage and early valve grind

These Speedmaster filters are washable and reusable

The TorqueWorm is a torque bias

Featuring high strength Aircraft Grade Aluminium which is lightweight

4.530" Bore Piston Oil Ring Rail Spacer Support (0.030" Thick) Set of 8 leading to valve seat damageThese 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.