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, 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
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 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, 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, 1.550 in. Outside Diameter, 550 lbs./in. Rate, 1.068 in. Coil Bind, Set of 16
Part Number: TFS-16943-16
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, 1.550 in. Outside Diameter, 427 lbs./in. Rate, 1.190 in. Coil Bind, Set of 16
Part Number: TFS-16094-16
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, 1.275 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, PAC Racing, Dual, 1.550 in. Outside Diameter, 525 lbs./in. Rate, 1.190 in. Coil Bind, Set of 16
Part Number: TFS-16955-16
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, 1.538 in. Outside Diameter, 436 lbs./in. Rate, 1.090 in. Coil Bind, Set of 16
Part Number: TFS-16929-16
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, 1.540 in. Outside Diameter, 492 lbs./in. Rate, 1.130 in. Coil Bind, Set of 16
Part Number: TFS-16896-16
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, Dual, 1.555 in. Outside Diameter, 469 lbs./in. Rate, 1.150 in. Coil Bind, Set of 16
Part Number: TFS-16935-16
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, PAC Racing, Dual, 1.100 in. Outside Diameter, 233 lbs./in. Rate, .850 in. Coil Bind, Set of 16
Part Number: TFS-16521-16
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, 1.650 in. Outside Diameter, 653 lbs./in. Rate, 1.040 in. Coil Bind, Set of 16
Part Number: TFS-16414-16
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, 1.540 in. Outside Diameter, 431 lbs./in. Rate, 1.125 in. Coil Bind, Set of 16
Part Number: TFS-16895-16
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, 1.304 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, 1.465 in. Outside Diameter, 417 lbs./in. Rate, .916 in. Coil Bind, Set of 16
Part Number: TFS-16838-16
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, 1.560 in. Outside Diameter, 500 lbs./in. Rate, 1.100 in. Coil Bind, Set of 16
Part Number: TFS-16318-16
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, 1.550 in. Outside Diameter, 540 lbs./in. Rate, 1.190 in. Coil Bind, Set of 16
Part Number: TFS-16115-16
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air