Availability
Cylinder Heads
Cylinder Head, GenX® 220, Fast As Cast®, Bare, 65cc CNC Chambers, GM LS2, Each
Part Number: TFS-3061B002
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, GenX® 235, Competition Ported, Assembled, 70cc CNC Chambers, Ti Retain, Standard, GM LSX, Each
Part Number: TFS-3061T001-C03
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, Twisted Wedge® 185, Fast As Cast®, Bare, 44cc CNC Chambers, Ford 4.6/5.4L 2V, Each
Part Number: TFS-5191B002-M44
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, Twisted Wedge® 11R 170, CNC Street Ported, Bare, 53cc CNC Chambers, Small Ford, Each
Part Number: TFS-5251B531-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, 56cc CNC Chambers, Small Ford, Each
Part Number: TFS-5251B561-C01
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, PowerPort® Cleveland 195, Street Port, Assy, 62cc Chamber, 1.56" Sp, Ti Retain, Ford 351C, Each
Part Number: TFS-5161T625-C00
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, PowerPort® Cleveland 195, Street Port, Assy, 72cc Chamber, 1.56" Sp, Ti Retain, Ford 351C, Each
Part Number: TFS-5161T725-C00
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Cylinder Head, Twisted Wedge® Track Heat® 185, Alum, Assembled, 38cc CNC Chamber, Ford, 4.6/5.4L, EA
Part Number: TFS-51910005-M38
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Guide Plate, Steel, Flat, 5/16 in. Pushrods, Trick Flow®, Chevy, Gen X®, LT1, Each
Part Number: TFS-30400624-1
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Guideplates, Flat, 5/16 in. Pushrod Size, Chevy, Small Block, Trick Flow® 23 Degree, Each
Part Number: TFS-30400623-1
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Guideplate, Flat, 3/8 in. Pushrod Size, Ford, 289, 302, 351W, Twisted Wedge® Heads, Each
Part Number: TFS-51400624-1
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Guideplate, Raised, 3/8 in. Slot, Ford, 351C, Each
Part Number: TFS-51600624-1
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Guideplates, Raised, 7/16 in. Pushrod Size, Ford, 429, 460, Trick Flow®, A-460, Each
Part Number: TFS-54400624-1
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Valve Springs, PAC Racing, Beehive, 1.035 in./1.210 in. O.D., 408 lbs./in. Rate, 1.160 in. Coil Bind, Pair
Part Number: TFS-16235-2
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Valve Spring, PAC Racing, Single, 1.255 in. Outside Diameter, 402 lbs./in. Rate, 1.150 in. Coil Bind, Each
Part Number: TFS-16848-1
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Valve Springs, Dual, 1.324 in. OD, 7 Degree Locks, Titanium Retainers, 433 lbs/in., Set of 16
Part Number: TFS-2500302
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Valve Spring Locator, Outside, Steel, .060 in. Thick, 1.610 in. O.D., 1.480 in. Spring O.D., Each
Part Number: TFS-51400434-1
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Valve Cover, Tall Height, 3 7/8 in. Overall Height, Cast Aluminum, Black Powdercoated, Small Ford, Each
Part Number: TFS-51411802-1
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
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: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Headers, Downsweep Dragster, Stainless Steel, Natural, 4.5 in. Slip Fit Collector, Chevy, Big Block, Pair
Part Number: TFS-DBBC225238
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Headers, Downsweep Dragster, Stainless, Natural, 2 1/4 in. Primary, 4 in. Collector, Chevy, Big Block, Pair
Part Number: TFS-DNBBC225
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Valve Springs, PAC Racing, Dual, 1.490 in. Outside Diameter, 366 lbs./in. Rate, 1.073 in. Coil Bind, Set of 50
Part Number: TFS-16914-50
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Valve Springs, PAC Racing, Single, 1.437 in. Outside Diameter, 340 lbs./in. Rate, 1.150 in. Coil Bind, Pair
Part Number: TFS-16942-2
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Valve Springs, PAC Racing, Triple, 1.645 in. Outside Diameter, 688 lbs./in. Rate, 1.130 in. Coil Bind, Pair
Part Number: TFS-16948-2
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Valve Seat, Ductile Iron, Intake, 2.087 in. Outside Diameter, Ford, Small Block, Set of 4
Part Number: TFS-51400271-4
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today