Availability
1997 Cylinder Heads
Piston, Forged, Dish, 4.040 in. Bore, Ford, Each
Part Number: TFS-51404221-401
Estimated Ship Date: Dec 14, 2026 if ordered today
Estimated Ship Date: Dec 14, 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: Dec 14, 2026 if ordered today
Estimated Ship Date: Dec 14, 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: Dec 14, 2026 if ordered today
Estimated Ship Date: Dec 14, 2026 if ordered today
Headers, Upsweep, Stainless Steel, Natural, 2.50 in. Tube, 4.00 in. Collector, Chevy, Big Block, Pair
Part Number: TFS-UPBBC250
Estimated Ship Date: Dec 14, 2026 if ordered today
Estimated Ship Date: Dec 14, 2026 if ordered today
Valve Cover, Stock Height, 3 in. Overall Height, Cast Aluminum, Natural Finish, Small Ford, Each
Part Number: TFS-5140B801-S
Estimated Ship Date: Dec 14, 2026 if ordered today
Estimated Ship Date: Dec 14, 2026 if ordered today
Cylinder Head, GenX® 220, Fast As Cast®, Bare, 64cc CNC Chambers, GM LS1, Each
Part Number: TFS-3061B001
Estimated Ship Date: Jan 18, 2027 if ordered today
Estimated Ship Date: Jan 18, 2027 if ordered today
Rocker Arms, 1.6/1.72 Split Ratio, 3/8 in. Stud, Full Roller, Aluminum, Ford, Small Block, Set of 16
Part Number: TFS-51400512
Estimated Ship Date: Dec 14, 2026 if ordered today
Estimated Ship Date: Dec 14, 2026 if ordered today
Rocker Arm, 1.6 Ratio, 3/8 in. Stud, Narrow Body, Full Roller, Aluminum, Chevy 5.0L/5.7L, Each
Part Number: TFS-31400513-1
Estimated Ship Date: Dec 14, 2026 if ordered today
Estimated Ship Date: Dec 14, 2026 if ordered today
Rocker Arms, 1.5/1.6 Ratio Split, 7/16 in. Stud, Full Roller, Aluminum, Small Ford and 351W, Set of 16
Part Number: TFS-51400522
Estimated Ship Date: Feb 16, 2027 if ordered today
Estimated Ship Date: Feb 16, 2027 if ordered today
Head Combo, GenX® Top-End, 485 hp/460 ft.-lbs. Torque, Chevy, Small Block, LS1, Kit
Part Number: TFS-K306-485-460
Estimated Ship Date: Jan 6, 2027 if ordered today
Estimated Ship Date: Jan 6, 2027 if ordered today
Head Combo, GenX® Top-End, 500 HP/460 ft.-lbs. Torque, Chevy, Small Block, LS1, Kit
Part Number: TFS-K306-500-460
Estimated Ship Date: Jan 6, 2027 if ordered today
Estimated Ship Date: Jan 6, 2027 if ordered today
Cylinder Head, PowerPort® 365, CNC Competition Port, Bare, 119cc CNC, Big Chevy, Each
Part Number: TFS-4141B804-C02
Estimated Ship Date: Jan 18, 2027 if ordered today
Estimated Ship Date: Jan 18, 2027 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-5141B010-M61
Estimated Ship Date: Feb 17, 2027 if ordered today
Estimated Ship Date: Feb 17, 2027 if ordered today
Valve Covers, Stock Height, 3 in. Overall Height, Cast Aluminum, Natural Finish, Small Ford, Pair
Part Number: TFS-5140B801
Estimated Ship Date: Dec 14, 2026 if ordered today
Estimated Ship Date: Dec 14, 2026 if ordered today
Valve Cover, Stock Height, 3 in. Overall Height, Cast Aluminum, Silver Powdercoated, Small Ford, Each
Part Number: TFS-51400801S
Estimated Ship Date: Dec 14, 2026 if ordered today
Estimated Ship Date: Dec 14, 2026 if ordered today
Cylinder Head, Twisted Wedge® 185, Fast As Cast®, Assy, 44cc Chambers, 150 Lb. Springs, Ford 4.6/5.4L 2V, Each
Part Number: TFS-51910006-M44
Estimated Ship Date: Jan 18, 2027 if ordered today
Estimated Ship Date: Jan 18, 2027 if ordered today