PAC Racing Springs 1.274 Dual Valve Spring for GM LS | PAC-1238X

PAC Racing Springs PAC-1238X-16 valve springs. Features RPM Series dual spring design, 600 lb/in rate, 0.985 in coil bind, 1.274 in OD, fits GM LS-Series, set of 16, ideal for performance builds.

PAC Racing Springs PAC-1237X-16 valve springs. Features RPM Series dual spring design, 550 lb/in rate, 1.045 in coil bind, 1.274 in OD, fits GM LS-Series, set of 16, ideal for performance builds.

PAC Racing Springs PAC-1222X-16 valve springs. Features RPM Series dual spring design, 425 lb/in rate, 1.055 in coil bind, 1.280 in OD, fits GM LS-Series, set of 16, ideal for performance builds.

PAC Racing Springs PAC-KS15 valve spring kit. Features dual spring, 370 lb/in rate, 1.010 in coil bind, 1.290 in OD, includes chromoly retainer, locks, Viton seal, steel seat, fits GM LS-Series,...

PAC Racing Springs PAC-KS16 valve spring kit. Features dual spring, 392 lb/in rate, 1.020 in coil bind, 1.304 in OD, includes chromoly retainer, locks, Viton seal, steel seat, fits GM LS-Series,...