Availability
Valve Springs
Valve Springs, PAC Racing, Triple, 1.645 in. Outside Diameter, 688 lbs./in. Rate, 1.130 in. Coil Bind, Set 16
Part Number: TFS-16947-16
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Twisted Wedge® Track Heat® Valve Spring Upgrade, Steel Retainers, Steel Locks, 3-Groove, Ford, 4.6L/5.4L 2V, Kit
Part Number: TFS-2500526
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, PAC Racing, Dual, 1.539 in. Outside Diameter, 500 lbs./in. Rate, 1.125 in. Coil Bind, Set of 16
Part Number: TFS-16097-16
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, 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, Dual, 1.100 in. Outside Diameter, 233 lbs./in. Rate, .850 in. Coil Bind, Each
Part Number: TFS-16521-1
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, 1.244 in. Outside Diameter, 450 lbs./in. Rate, 1.150 in. Coil Bind, Set 16
Part Number: TFS-16941-16
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Spring, Single, 1.250 in. Outside Diameter, 380 lbs./in. Rate, 1.180 in. Coil Bind, Each
Part Number: TFS-16314-1
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, 1.464 in. Outside Diameter, 235 lbs./in. Rate, 1.189 in. Coil Bind, Set 16
Part Number: TFS-16940-16
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, Single, 1.500 in. Diameter, 375 lbs./in., 7 Degree Locks, Kit
Part Number: TFS-K16839
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, 1.500 in. Outside Diameter, 376 lbs./in. Rate, 1.115 in. Coil Bind, Each
Part Number: TFS-16839-1
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, .953 in. Outside Diameter, 144 lbs./in. Rate, .860 in. Coil Bind, Set 16
Part Number: TFS-15100
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, Each
Part Number: TFS-16318-1
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 Springs, PAC Racing, Dual, 1.540 in. Outside Diameter, 492 lbs./in. Rate, 1.130 in. Coil Bind, Pair
Part Number: TFS-16896-2
Estimated Ship Date: Nov 24, 2026 if ordered today
Estimated Ship Date: Nov 24, 2026 if ordered today
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, Single, 1.244 in. Outside Diameter, 450 lbs./in. Rate, 1.150 in. Coil Bind, Pair
Part Number: TFS-16941-2
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.550 in. Outside Diameter, 550 lbs./in. Rate, 1.068 in. Coil Bind, Pair
Part Number: TFS-16943-2
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, 1.265 in. Outside Diameter, 526 lbs./in. Rate, 1.150 in. Coil Bind, Each
Part Number: TFS-16846-1
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, 1.460 in. Outside Diameter, 425 lbs./in. Rate, 1.050 in. Coil Bind, Each
Part Number: TFS-16840-1
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Estimated Ship Date: Monday 10/19/2026 if shipped by air
Valve Springs, Pacaloy, Single, 1.260 in. Outside Diameter, 1.700 in. Installed Height, Set of 16
Part Number: TFS-15106
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, 1.470 in. Diameter, 416 lbs./in., 7 Degree Locks, Kit
Part Number: TFS-K16838
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