PAC Racing Springs PAC-1325-16 valve springs. Features 1300 Series Circle Track dual spring design, 644 lb/in rate, 1.150 in coil bind, 1.550 in OD, set of 16, ideal for circle track racing.

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-1225-16 valve springs. Features 1200 Series Drag Race dual spring design, 644 lb/in rate, 1.150 in coil bind, 1.550 in OD, set of 16, ideal for drag racing applications.

PAC Racing Springs PAC-1226-16 valve springs. Features 1200 Series Drag Race dual spring design, 663 lb/in rate, 1.150 in coil bind, 1.550 in OD, set of 16, ideal for drag racing applications.

PAC Racing Springs PAC-1354-16 valve springs. Features 1300 Series Drag Race dual spring design, 1015 lb/in rate, 1.230 in coil bind, 1.550 in OD, set of 16, ideal for drag racing applications.

PAC Racing Springs PAC-1370-16 valve springs. Features 1300 Series Drag Race dual spring design, 836 lb/in rate, 1.230 in coil bind, 1.550 in OD, set of 16, ideal for drag racing applications.

PAC Racing Springs PAC-1326-16 valve springs. Features 1300 Series Circle Track dual spring with damper, 663 lb/in rate, 1.150 in coil bind, 1.550 in OD, set of 16, ideal for circle track racing.

PAC Racing Springs PAC-1386-16 valve springs. Features 1300 Series Circle Track dual spring design, 513 lb/in rate, 1.140 in coil bind, 1.564 in OD, set of 16, ideal for circle track racing.

PAC Racing Springs PAC-1385-16 valve springs. Features 1300 Series Circle Track dual spring with damper, 525 lb/in rate, 1.145 in coil bind, 1.564 in OD, set of 16, ideal for circle track racing.

PAC Racing Springs PAC-1344-16 valve springs. Features 1300 Series Circle Track dual spring design, 743 lb/in rate, 1.055 in coil bind, 1.570 in OD, set of 16, ideal for circle track racing.

PAC Racing Springs PAC-1396-16 valve springs. Features 1300 Series Circle Track dual spring design, 538 lb/in rate, 1.150 in coil bind, 1.574 in OD, set of 16, ideal for circle track racing.

PAC Racing Springs PAC-1395-16 valve springs. Features 1300 Series Circle Track dual spring with damper, 550 lb/in rate, 1.150 in coil bind, 1.574 in OD, set of 16, ideal for circle track racing.