Performance Valvetrain

PAC Racing Springs PAC-1324-16 valve springs. Features 1300 Series Drag Race dual spring design, 629 lb/in rate, 1.100 in coil bind, 1.625 in OD, set of 16, ideal for drag racing applications.

PAC Racing Springs PAC-1350-16 valve springs. Features 1300 Series Drag Race triple spring design, 689 lb/in rate, 1.130 in coil bind, 1.645 in OD, set of 16, ideal for drag racing applications.

PAC Racing Springs PAC-1348-16 valve springs. Features 1300 Series Drag Race triple spring design, 687 lb/in rate, 1.130 in coil bind, 1.645 in OD, set of 16, ideal for drag racing applications.

PAC Racing Springs PAC-1353-16 valve springs. Features 1300 Series Drag Race triple spring design, 900 lb/in rate, 1.140 in coil bind, 1.695 in OD, set of 16, ideal for drag racing applications.

PAC Racing Springs PAC-1343-16 valve springs. Features 1300 Series Circle Track dual spring design, 550 lb/in rate, 1.150 in coil bind, 1.550 in OD, set of 16, ideal for circle track racing.

PAC Racing Springs PAC-1328-16 valve springs. Features 1300 Series Drag Race dual spring design, 629 lb/in rate, 1.100 in coil bind, 1.625 in OD, set of 16, 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-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...