Performance Valvetrain

PAC Racing Springs PAC-1330 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-1901-16 valve springs. Features Hot Rod Series dual spring with damper, 492 lb/in rate, 1.130 in coil bind, 1.540 in OD, set of 16, ideal for hot rod performance builds.

PAC Racing Springs PAC-1361-16 valve springs. Features 1300 Series Drag Race dual spring design, 964 lb/in rate, 1.215 in coil bind, 1.536 in OD, set of 16, ideal for drag racing applications.

PAC Racing Springs PAC-1409X-16 valve springs. Features 1400 Series ovate beehive design, 436 lb/in rate, 1.115 in coil bind, 1.055 in/1.250 in OD, set of 16, ideal for high-performance builds.

PAC Racing Springs PAC-1332 valve spring. Features 1300 Series Drag Race dual spring design, 863 lb/in rate, 1.160 in coil bind, 1.514 in OD, each, ideal for drag racing applications.

PAC Racing Springs PAC-1358-16 valve springs. Features 1300 Series Drag Race triple spring design, 688 lb/in rate, 1.130 in coil bind, 1.645 in OD, set of 16, ideal for drag racing applications.

PAC Racing Springs PAC-1914-16 valve springs. Features Hot Rod Series dual spring design, 367 lb/in rate, 1.1 in coil bind, 1.490 in OD, set of 16, ideal for hot rod performance builds.

PAC Racing Springs PAC-R643-16 valve spring retainers. Features 600 Series, mini 8-degree lock angle, 0.640 in OD step, beehive spring compatible, Pacaloy steel, set of 16, ideal for performance builds.

PAC Racing Springs PAC-L8142 valve lock. Features mini 8-degree lock angle, 8 mm valve stem, +0.050 height, steel with black oxide finish, each, ideal for performance builds.

PAC Racing Springs PAC-R522-16 valve spring retainers. Features 500 Series, 10-degree lock angle, 1.180 in/0.865 in/0.635 in OD steps, 1.480 in OD, triple spring compatible, titanium, set of 16, ideal for performance builds.

PAC Racing Springs PAC-L8161-16 valve locks. Features 7-degree lock angle, 5/16 in valve stem, standard height, steel with black oxide finish, fits GM LS-Series, set of 16, ideal for performance builds.

PAC Racing Springs PAC-1364M-16 valve springs. Features 1300 Series Drag Race triple spring design, 840 lb/in rate, 1.115 in coil bind, 1.681 in OD, set of 16, ideal for drag racing applications.