PAC Racing Springs PAC-S113-16 valve spring retainers. Features inside design, 0.060 in thick, 1.450 in OD, 0.630 in ID, 0.980 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S110-16 valve spring retainers. Features inside design, 0.060 in thick, 1.500 in OD, 0.570 in ID, 0.715 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S134-16 valve spring retainers. Features inside design, 0.030 in thick, 1.500 in OD, 0.570 in ID, 0.715 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S126-16 valve spring retainers. Features inside design, 0.060 in thick, 1.500 in OD, 0.630 in ID, 0.715 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S127-16 valve spring retainers. Features inside design, 0.030 in thick, 1.500 in OD, 0.630 in ID, 0.715 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S105-16 valve spring retainers. Features inside design, 0.060 in thick, 1.550 in OD, 0.575 in ID, 0.700 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S106-16 valve spring retainers. Features inside design, 0.060 in thick, 1.550 in OD, 0.635 in ID, 0.700 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S117-16 valve spring retainers. Features inside design, 0.060 in thick, 1.550 in OD, 0.575 in ID, 0.730 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S103-16 valve spring retainers. Features inside design, 0.060 in thick, 1.550 in OD, 0.575 in ID, 0.770 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S104-16 valve spring retainers. Features inside design, 0.060 in thick, 1.550 in OD, 0.635 in ID, 0.770 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S119-16 valve spring retainers. Features inside design, 0.060 in thick, 1.550 in OD, 0.575 in ID, 0.800 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S101-16 valve spring retainers. Features inside design, 0.060 in thick, 1.550 in OD, 0.575 in ID, 0.855 in spring ID, chromoly, set of 16, ideal for performance builds.