Supertech Valve Spring Shim 1.140in OD .570in ID .030in Thick (Drop Ship Only) - SS-3043

Supertech Valve Spring Shim .515in OD .796in ID .030in Thick (Drop Ship Only)

Made from hardened steel, these locators use an inboard locating shoulder to center the seat and hold the spring in place. The 4642 features a 1.540" OD and a .570" ID that works well with our 26947...

Supertech Subaru EJ20/EJ25 Black Nitrided Intake Valve - Single (Drop Ship Only)

Supertech Nissan L28 / 280Z Black Nitrided Intake Valve - Single (Drop Ship Only)

Supertech Nissan SR20D Inconel Exhaust Valve - +1mm Oversize - Single