KPMI SHIM(S), SPRING, 1.500″ OD X 1.031″ ID X 0.030″ H 4PK

Setting the correct installed valve spring height and pressure is critical , the proper operation of the valvetrain. KPMI® offers a large selection of valve spring shims to allow the builder to compensate , changes that may have occurred due to machining or custom parts usage.