Availability
Valve Springs
Valve Spring Kit, Dual Valve Springs, Chromoly Retainers, Locks, Seals, Chevy, LS, Kit
Part Number: TFS-2500286P
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, Retainers, Single Springs, Steel Retainers, Steel Locks, Single Groove, Kit
Part Number: TFS-2500100
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
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 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, Retainers, Track Heat®, Single Springs, Steel Retainers, Steel Locks, Single Groove, Kit
Part Number: TFS-2500200
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
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 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, PAC Racing, Single, 1.488 in. Outside Diameter, 358 lbs./in. Rate, 1.040 in. Coil Bind, Set 16
Part Number: TFS-16514-16
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, Dual, 1.295 in. OD, 7 Degree Locks, Steel Retainers, 440 lbs/in., Set of 16
Part Number: TFS-2500295
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.275 in. Outside Diameter, 450 lbs./in. Rate, 1.080 in. Coil Bind, Set of 16
Part Number: TFS-16306-16
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, Dual, Nano Peened Double Platinum, 160 lbs. Seat Pressure. 425 lbs. Open at .670 Lift. LS1, LS6, LS2, LS3, LQ4, LQ9, L92, Set of 16
Part Number: TFS-16905P-16
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, Dual, 1.290 in. OD, 7 Degree Locks, Steel Retainers, 370 lbs/in., Set of 16
Part Number: TFS-2500280
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, PAC Racing, Single, 1.476 in. Outside Diameter, 416 lbs./in. Rate, 1.167 in. Coil Bind, Set 16
Part Number: TFS-16926-16
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, Track Max® Performance, Dual, 1.275 in. O.D., 450 lbs./in., Retainers, 7 degree Locks, Kit
Part Number: TFS-K16306
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, Dual, 1.304 in. OD, 7 Degree Locks, Titanium Retainers, 440 lbs/in., Set of 16
Part Number: TFS-2500300
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.324 in. Outside Diameter, 460 lbs./in. Rate, 1.000 in. Coil Bind, Set of 16
Part Number: TFS-16208-16
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.290 in. Outside Diameter, 370 lbs./in. Rate, 1.010 in. Coil Bind, Set of 16
Part Number: TFS-16904-16
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.490 in. Outside Diameter, 366 lbs./in. Rate, 1.073 in. Coil Bind, Set of 16
Part Number: TFS-16914-16
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.300 in. Outside Diameter, 392 lbs./in. Rate, 1.065 in. Coil Bind, Set of 16
Part Number: TFS-16905-16
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.460 in. Outside Diameter, 452 lbs./in. Rate, 1.013 in. Coil Bind, Pair
Part Number: TFS-16315-2
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, Dual, 1.290 in. OD, 7 Degree Locks, Titanium Retainers, 370 lbs/in., Set of 16
Part Number: TFS-2500285
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Spring, PAC Racing, Dual, 1.275 in. Outside Diameter, 450 lbs./in. Rate, 1.080 in. Coil Bind, Each
Part Number: TFS-16306-1
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, Single, 1.480 in. Diameter, 416 lbs./in., 7 Degree Locks, Kit
Part Number: TFS-K16926
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Spring, PAC Racing, Single, 1.488 in. Outside Diameter, 358 lbs./in. Rate, 1.040 in. Coil Bind, Each
Part Number: TFS-16514-1
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, PAC Racing, Single, 1.015 in. Outside Diameter, 156 lbs./in. Rate, 1.020 in. Coil Bind, Set 16
Part Number: TFS-15101
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Spring, PAC Racing, Dual, 1.295 in. Outside Diameter, 377 lbs./in. Rate, 1.100 in. Coil Bind, Each
Part Number: TFS-30600414-1
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.304 in. Outside Diameter, 433 lbs./in. Rate, 1.000 in. Coil Bind, Set of 16
Part Number: TFS-16917-16
Estimated Ship Date: Nov 24, 2026 if ordered today
Estimated Ship Date: Nov 24, 2026 if ordered today