Availability
Valve Springs
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Valve Spring Kit, Dual Valve Springs, Chromoly Retainers, Locks, Seals, Chevy, LS, Kit
Part Number: TFS-2500286P
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
BUILD IT WITH SUMMIT!
Valve Spring Upgrade Kit, 1.300 OD Dual Springs, Retainers/Locks, Seals, All GM LS LS1, LS2, LS3, LS7, LSA, LS9, LQ4, LQ9, L92, L76, LY6
Part Number: SME-174003
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, 1200 Series Drag Race, Dual, 1.550 in. O.D., 644 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1225-16
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, 1200 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1224-16
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Nano-Peened Dual Valve springs, Titanium retainers, 160 lbs. seat pressure. 425 lbs. open at .670 lift. LS1, LS6, LS2, LS3, LQ4, LQ9, L92, Kit
Part Number: TFS-2500287P
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, 1200 Series Circle Track, Dual, 1.550 in. O.D., 550 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1243-16
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, RPM Series, Dual, 1.324 in. O.D., 500 lbs./in. Rate, 1.000 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1209X-16
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, PAC Racing, Dual, 1.550 in. Outside Diameter, 550 lbs./in. Rate, 1.068 in. Coil Bind, Pair
Part Number: TFS-16943-16
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Spring and Retainer Kits, Performance, Dual, Conical, 1.465 in. O.D., 425 lbs./in., 0.950 in. Coil Bind Height, 10 degree Locks, Kit
Part Number: HRS-98438-K12
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, Retainers, Track Heat®, Single Springs, Steel Retainers, Steel Locks, Single Groove, Kit
Part Number: TFS-2500200
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, 1300 Series Drag Race, Dual, 0.900 in. Maximum Valve Lift, 863 lbs./in. Rate, 1.150 in. Coil Bind Height, 1.514 in. O.D., Set of 16
Part Number: RSC-PAC-1332-16
Not Yet Reviewed
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, Dual, 1.640 in. Outside Diameter, 647 lbs./in. Rate, 1.070 in. Coil Bind Height, Set of 16
Part Number: MAN-221424-16
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, 1200 Series Drag Race, Dual, 1.625 in. O.D., 629 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1228-16
Not Yet Reviewed
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, Sure Seat, Standard Style, Dual, 1.460 in. O.D., 1.150 in. Coil Bind Height, 1.060 in. I.D., 465 lbs. Rate, Set of 16
Part Number: EDL-5845
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Spring, RPM Series, Dual, 1.274 in. Outside Diameter, 600 lb/in., 0.630 in Inside Diameter, Set of 16
Part Number: RSC-PAC-1238X-16
Not Yet Reviewed
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Spring and Retainer Kits, Performance, Dual, Conical, 1.470 in. O.D., 399 lbs./in., 1.080 in. Coil Bind Height, 10 degree Locks, Kit
Part Number: HRS-98445-K12
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, 1300 Series Drag Race, Standard Style, Dual, 1.500 in. O.D., 780 lbs./in. Spring Rate, 1.130 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1330-16
Not Yet Reviewed
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, 1300 Series Circle Track, Dual, 1.550 in. O.D., 644 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16
Part Number: RSC-PAC-1325-16
Not Yet Reviewed
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, Dual, 1.550 in. Outside Diameter, 1.130 in. Coil Height, Each
Part Number: BRO-PAC1941
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, PAC Racing, Dual, 1.460 in. Outside Diameter, 391 lbs./in. Rate, 1.050 in. Coil Bind, Set of 16
Part Number: TFS-16893-16
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, PAC Racing, Dual, 1.460 in. Outside Diameter, 438 lbs./in. Rate, 1.100 in. Coil Bind, Set of 16
Part Number: TFS-16315-16
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, Platinum, Dual, 0.660 in. Maximum Valve Lift, 400 lbs./in. Spring Rate, 1.070 in. Coil Bind Height, Set of 16
Part Number: BTC-SP001-16
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, Pacaloy Mechanical Roller Valve Springs, Dual, 0.800 in. Maximum Valve Lift, 743 lbs./in. Rate, Set of 16
Part Number: HRS-98844
Not Yet Reviewed
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, PSI Dual Spring, No Dampener, 1.625 in. Outside Diameter, 622 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: ISK-DR425R
Not Yet Reviewed
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
Valve Springs, Dual, 1.550 in. Outside Diameter, 550 lbs./in. Rate, 1.100 in. Coil Bind Height, Super Finish, Set of 16
Part Number: CCA-26943-16
Not Yet Reviewed
Estimated Ship Date: Monday 1/26/2026
Estimated Ship Date: Monday 1/26/2026
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