PAC Racing Springs Calibration Springs for Spring Testers | PAC-T900

PAC Racing Springs PAC-1356 valve spring. Features 1300 Series Drag Race dual spring design, 780 lb/in rate, 1.130 in coil bind, 1.500 in OD, each, ideal for drag racing applications.

PAC Racing Springs PAC-1282LX-16 valve springs. Features RPM Series ovate beehive design, 400 lb/in rate, 1.544 in coil bind, 0.825 in/1.270 in OD, fits 7.3L Godzilla engine, set of 16, ideal for...

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-1349 valve spring. Features 1300 Series Drag Race triple spring design, 689 lb/in rate, 1.130 in coil bind, 1.645 in OD, each, ideal for drag racing applications.

PAC Racing Springs PAC-1248 valve spring. Features 1200 Series Drag Race triple spring design, 687 lb/in rate, 1.130 in coil bind, 1.645 in OD, each, ideal for drag racing applications.