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

PAC Racing Springs PAC-S133 valve spring locator. Features inside design, 0.030 in thick, 1.650 in OD, 0.570 in ID, 0.630 in spring ID, chromoly, each, ideal for performance builds.

PAC Racing Springs PAC-S161-16 valve spring locator. Features inside design, 0.060 in thick, 1.350 in OD, 0.575 in ID, 0.885 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S128-16 valve spring retainers. Features inside design, 0.060 in thick, 1.270 in OD, 0.520 in ID, 0.600 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S138-16 valve spring retainers. Features inside design, 0.060 in thick, 1.270 in OD, 0.575 in ID, 0.615 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S121-16 valve spring retainers. Features inside design, 0.060 in thick, 1.270 in OD, 0.520 in ID, 0.640 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S136-16 valve spring retainers. Features inside design, 0.030 in thick, 1.270 in OD, 0.510 in ID, 0.680 in spring ID, chromoly, set of 16, ideal for performance builds with RPM...

PAC Racing Springs PAC-S129-16 valve spring retainers. Features inside design, 0.060 in thick, 1.270 in OD, 0.520 in ID, 0.680 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S135-16 valve spring retainers. Features inside design, 0.060 in thick, 1.270 in OD, 0.570 in ID, 0.680 in spring ID, chromoly, set of 16, ideal for performance builds with RPM...

PAC Racing Springs PAC-S111-16 valve spring retainers. Features inside design, 0.060 in thick, 1.270 in OD, 0.570 in ID, 0.870 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S114-16 valve spring retainers. Features inside design, 0.060 in thick, 1.450 in OD, 0.570 in ID, 0.700 in spring ID, chromoly, set of 16, ideal for performance builds.

PAC Racing Springs PAC-S112-16 valve spring retainers. Features inside design, 0.060 in thick, 1.450 in OD, 0.570 in ID, 0.980 in spring ID, chromoly, set of 16, ideal for performance builds.