PAC Racing Springs PAC-KS93 valve spring shim kit. Features 0.015/0.020/0.030/0.050 in thick shims, 1.250 in OD, 0.570 in ID, steel, ideal for precise valve spring adjustments in performance builds.
PAC Racing Springs PAC-S191-16 valve spring shims. Features 0.015 in thick, 1.250 in OD, 0.570 in ID, steel, set of 16, ideal for precise valve spring adjustments in performance builds.
PAC Racing Springs PAC-S189-16 valve spring shims. Features 0.030 in thick, 1.250 in OD, 0.570 in ID, steel, set of 16, ideal for precise valve spring adjustments in performance builds.
PAC Racing Springs PAC-S190-16 valve spring shims. Features 0.020 in thick, 1.250 in OD, 0.570 in ID, steel, set of 16, ideal for precise valve spring adjustments in performance builds.
PAC Racing Springs PAC-S188-16 valve spring shims. Features 0.050 in thick, 1.250 in OD, 0.570 in ID, steel, set of 16, ideal for precise valve spring adjustments in performance builds.
PAC Racing Springs PAC-KS94 valve spring shim kit. Features 0.015/0.020/0.030/0.050 in thick shims, 1.500 in OD, 0.570 in ID, steel, 64 pieces, ideal for precise valve spring adjustments in...