Availability
Cylinder Heads
Valve Spring Retainers, Chromoly Steel, 1.100 in. Max Spring Diameter, 7 Degree, For 1-Groove Valves, Each
Part Number: TFS-52900424-1
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Cylinder Head, Twisted Wedge® 11R 170, CNC Street Ported, Bare, 63cc CNC Chambers, Small Ford, Each
Part Number: TFS-5251B631-C00
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, Twisted Wedge® 11R 190, Bare, 66cc CNC Chambers, Small Ford, Each
Part Number: TFS-5251B661-C01
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, Twisted Wedge® 11R 190, Bare, 56cc Chamber, Aluminum, Natural, Ford, 289, 302, 351W, Each
Part Number: TFS-5261B561-C02
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, Twisted Wedge® 11R 190, Bare, 66cc Chamber, Aluminum, Natural, Ford, 289, 302, 351W, Each
Part Number: TFS-5261B661-C02
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, Twisted Wedge® 11R 190, CNC Comp Ported, Assy, 66cc CNC Chambers, Ti Retainer, Small Ford, Each
Part Number: TFS-5261T661-C02
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, PowerPort® A460 360, CNC Comp Port, Assy, 87cc Chambers, Ti Retain, 18-Bolt, Ford 429/460, Each
Part Number: TFS-5451T804-C04
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, Twisted Wedge® 11R 227, CNC Competition Ported, Bare, 56cc CNC Chambers, Small Ford, Each
Part Number: TFS-5261B561-C04
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Cylinder Head, Twisted Wedge® 11R 227, Bare, 66cc CNC Chambers, Aluminum, Small Ford, 289, 302, 351W, Each
Part Number: TFS-5261B661-C04
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Valve Spring Locator, Outside, Steel, .060 in. Thick, 1.670 in. O.D., 1.560 in. Spring O.D., Each
Part Number: TFS-21400426-1
Estimated Ship Date: Mar 13, 2026 if ordered today
Estimated Ship Date: Mar 13, 2026 if ordered today
Valve Seat, Ductile Iron, Exhaust, 1.875 in. Outside Diameter, Chrysler, Dodge, Plymouth, Big Block, Each
Part Number: TFS-61600272-1
Estimated Ship Date: Mar 13, 2026 if ordered today
Estimated Ship Date: Mar 13, 2026 if ordered today
Valve Springs, Dual, 1.304 in. OD, 7 Degree Locks, Titanium Retainers, 433 lbs/in., Set of 16
Part Number: TFS-2500301
Estimated Ship Date: Mar 13, 2026 if ordered today
Estimated Ship Date: Mar 13, 2026 if ordered today
Cylinder Head, GenX® 255, CNC Comp Port, Assembled, 69cc CNC Chamber, 370 Lb. Springs, Ti Retain, GM LSX, Each
Part Number: TFS-3261T001-C01
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, GenX® 255, CNC Comp Port, Assy, 69cc CNC Chamber, 370 Springs, Ti Retain, 6-Bolt, GM LSX, Each
Part Number: TFS-3261T003-C01
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, GenX® 260, CNC Competition Ported, Bare, 70cc CNC Combustion Chambers, GM LSX, Each
Part Number: TFS-3271B001-C01
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, GenX® 260, CNC Comp Port, Assy, 70cc CNC Chamber, 370 Springs, Ti Retain, 6-Bolt, GM LSX, Each
Part Number: TFS-3271T003-C01
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, PowerOval® 280, Aluminum, Assembled, 113cc Chamber, 280cc Intake, Chevy, Big Block, Each
Part Number: TFS-41310002-M13
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, PowerOval® 280, Aluminum, Assembled, 113cc Chamber, 280cc Intake, Chevy, Big Block, Each
Part Number: TFS-4131T003-M13
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, PowerPort® 320, Aluminum, Assembled, 122cc Chamber, 320cc Intake, Chevy, Big Block, Each
Part Number: TFS-41410002-M22
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, PowerPort® 320, Aluminum, Assembled, 122cc Chamber, 320cc Intake, Chevy, Big Block, Each
Part Number: TFS-41410003-M22
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, Twisted Wedge® 170, Aluminum, Fast As Cast®, 61cc CNC-Profiled Combustion Chambers, Bare, Ford 289, 302, 351W, Each
Part Number: TFS-5141B002-M61
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, Twisted Wedge® 170, Aluminum, Fast As Cast®, 58cc CNC-Profiled Combustion Chambers, Bare, Ford 289, 302, 351W, Each
Part Number: TFS-5141B010-M58
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, PowerPort® Cleveland 195, CNC Street Ported, Bare, 72cc CNC Chambers, Ford 351C, Each
Part Number: TFS-5161B720-C00
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, GenX® 205, Competition Ported, Bare, 58cc CNC Chambers, GM LS Vortec, Each
Part Number: TFS-3051B001-C00
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, GenX® 215, CNC Competition Ported, Bare, 64cc CNC Chambers, GM LS1, Each
Part Number: TFS-3061B001-C01
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today