PAC Racing Springs PAC-R508 valve spring retainer. Features 500 Series, 10-degree lock angle, 1.040 in/0.715 in OD steps, 1.365 in OD, dual spring compatible, titanium, each, ideal for performance builds.
PAC Racing Springs PAC-R508-16 valve spring retainers. Features 500 Series, 10-degree lock angle, 1.040 in/0.715 in OD steps, dual spring compatible, titanium, set of 16, ideal for performance builds.
PAC Racing Springs PAC-R501 valve spring retainer. Features 500 Series, 10-degree lock angle, 1.185 in/0.865 in/0.635 in OD steps, 1.475 in OD, triple spring compatible, titanium, each, ideal for...
PAC Racing Springs PAC-R408 valve spring retainer. Features 400 Series, 10-degree lock angle, 1.040 in/0.715 in OD steps, 1.050 in OD, dual spring compatible, titanium, each, ideal for performance...
PAC Racing Springs PAC-R601-16 valve spring retainers. Features 600 Series, 10-degree lock angle, 1.185 in/0.865 in/0.635 in OD steps, 1.450 in OD, triple spring compatible, Pacaloy steel, set of 16,...
PAC Racing Springs PAC-R313-16 valve spring retainers. Features 300 Series, 10-degree lock angle, 0.721 in OD step, beehive spring compatible, chromoly, set of 16, ideal for performance builds.