Availability
Top End Kits
Top-End Combo, Twisted Wedge® 11R Heads, Track Max® Camshaft, 1.6 Rockers, Small Block Ford, 302, Kit
Part Number: TFS-K525-432-370
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Head Combo, GenX® Top-End, 580hp, 520 ft-lbs. Torque, GM, LS3, Square Port, Kit
Part Number: TFS-K326-580-520
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Combo, GenX® Top-End, 515 HP/460 ft.-lbs. Torque, Chevy, Small Block, LS1, Kit
Part Number: TFS-K306-515-460
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Head Combo, GenX® Top-End, Chevy, Small Block, LS2, Kit
Part Number: TFS-K306-550-470
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Head Combo, GenX® Top-End, 455 hp/426 ft.-lbs. Torque, Chevy, 5.3L, Kit
Part Number: TFS-K305-455-425
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Combo, Camshaft, Timing Set, Gaskets, Ford, Modular V8, 4.6L 2V, Kit
Part Number: TFS-K519-380-375
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Head Combo, Camshaft, Timing Set, Gaskets, Ford, Modular V8, 4.6L 2V, Kit
Part Number: TFS-K519-390-375
Estimated Ship Date: May 7, 2026 if ordered today
Estimated Ship Date: May 7, 2026 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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 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: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today