Availability
Valve Spring Kit, Dual Valve Springs, Chromoly Retainers, Locks, Seals, Chevy, LS, Kit
Part Number: TFS-2500286P
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Top-End Combo, Twisted Wedge® 11R Heads, Track Max® Camshaft, 1.6 Rockers, Small Block Ford, 302, Kit
Part Number: TFS-K525-432-370
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Valve Springs, PAC Racing, Beehive, 1.055 in./1.290 in. O.D., 313 lb./in. Rate, 1.140 in. Coil Bind, Set of 16
Part Number: TFS-16918-16
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Top-End Combo, PowerPort®, Heads, Track Heat® Intake, Track Max® Camshaft, Big Block Mopar, Chrysler 440, Kit
Part Number: TFS-K616-620-576
Not Yet Reviewed
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Valve Springs, PAC Racing, Single, 1.437 in. Outside Diameter, 340 lbs./in. Rate, 1.150 in. Coil Bind, Set 16
Part Number: TFS-16942-16
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Valve Springs, PAC Racing, Single, 1.460 in. Outside Diameter, 307 lbs./in. Rate, 1.146 in. Coil Bind, Set 16
Part Number: TFS-16972-16
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Valve Springs, PAC Racing, Beehive, 1.454 in./1.264 in. O.D., 362 lb./in. Rate, 1.100 in. Coil Bind, Set of 16
Part Number: TFS-16982-16
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Valve Springs, PAC Racing, Single, 1.500 in. Outside Diameter, 376 lbs./in. Rate, 1.115 in. Coil Bind, Set 16
Part Number: TFS-16839-16
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Valve Springs, PAC Racing, Single, 1.254 in. Outside Diameter, 422 lbs./in. Rate, 1.150 in. Coil Bind, Set 16
Part Number: TFS-16981-16
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Valve Cover Breather, Push-In, Round, 1 in. Diameter Nipple, Steel, Chrome, Trick Flow® Logo, Each
Part Number: TFS-44023
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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
Not Yet Reviewed
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Valve Springs, PAC Racing, Beehive, 1.295 in./1.460 in. O.D., 455 lb./in. Rate, 1.050 in. Coil Bind, Set of 16
Part Number: TFS-16841-16
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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
Not Yet Reviewed
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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
Not Yet Reviewed
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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
Not Yet Reviewed
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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
Not Yet Reviewed
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
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