Availability
Camshafts & Valvetrain
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: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, Dual, 1.550 in. Diameter, 550 lbs./in., 10 Degree Locks, Kit
Part Number: TFS-K16943
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, Dual, 1.304 in. OD, 7 Degree Locks, Titanium Retainers, 392 lbs/in., Set of 16
Part Number: TFS-2500287
Estimated Ship Date: Feb 8, 2027 if ordered today
Estimated Ship Date: Feb 8, 2027 if ordered today
Rocker Arm Girdle, Aluminum, 7/16 in.-20 Thread, Ford, 351C, Trick Flow Heads, Kit
Part Number: TFS-51600700
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Camshaft, Mechanical Roller, Advertised Duration 317/333, Lift .850/.828, Lobe Sep. 114, Big Block Chevy, Each
Part Number: TFS-41404002
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Camshaft, Hydraulic Roller, Advertised Duration 286/282, Lift .575/.575, Lobe Sep. 112, GM LS, Each
Part Number: TFS-30602002
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, PAC Racing, Dual, 1.570 in. Outside Diameter, 742 lbs./in. Rate, 1.045 in. Coil Bind, Set of 16
Part Number: TFS-16944-16
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Valve Springs, PAC Racing, Dual, 1.645 in. Outside Diameter, 580 lbs./in. Rate, 1.130 in. Coil Bind, Set of 16
Part Number: TFS-16959-16
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Rocker Arms, 1.5/1.6 Ratio Split, 3/8 in. Stud, Narrow Body, Full Roller, Aluminum, Chevy 5.0L/5.7L, Set of 16
Part Number: TFS-31400514
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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-16927-16
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
A460 Valve Spring Retainers, Titanium, 10 Degree, 1.625 in. OD, .640 in. Inside Diameter, Set of 16
Part Number: TFS-214T0650
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Camshaft, Hydraulic Roller, Advertised Duration 266/272, Lift .530/.530, Lobe Sep. 113, GM 5.7L LT1, Each
Part Number: TFS-31402081
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Camshaft Right, Hydraulic Roller, Adv. Duration 276/276, Lift .580/.580, Lobe Sep. 114, Ford 4.6L/5.4L 2V, Ea.
Part Number: TFS-51802002-R
Estimated Ship Date: Dec 28, 2026 if ordered today
Estimated Ship Date: Dec 28, 2026 if ordered today
Valve Springs, Dual, 1.324 in. OD, 7 Degree Locks, Titanium Retainers, 460 lbs/in., Set of 16
Part Number: TFS-2500306
Estimated Ship Date: Dec 16, 2026 if ordered today
Estimated Ship Date: Dec 16, 2026 if ordered today
Camshaft, Left, Hydraulic Roller, Adv. Duration 276/276, Lift .580/.580, Lobe Sep. 114, Ford 4.6L/5.4L 2V, Ea.
Part Number: TFS-51802002-L
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Rocker Arms, 1.5/1.6 Ratio Split, 3/8 in. Stud, Full Roller, Aluminum, Small Chevy, Set of 16
Part Number: TFS-31400516
Estimated Ship Date: Dec 14, 2026 if ordered today
Estimated Ship Date: Dec 14, 2026 if ordered today
Valve Springs, Dual, 1.295 in. OD, 7 Degree Locks, Titanium Retainers, 392 lbs/in., Set of 16
Part Number: TFS-2500289
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring Retainers, Titanium, 10 Degree, 1.500 in. Outside Diameter, .710 in. Inside Diameter, Set of 16
Part Number: TFS-214T0525
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow