Availability
Head Combo, GenX® Top-End, 580hp, 520 ft-lbs. Torque, GM, LS3, Square Port, Kit
Part Number: TFS-K326-580-520
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Head Combo, GenX® Top-End, 515 HP/460 ft.-lbs. Torque, Chevy, Small Block, LS1, Kit
Part Number: TFS-K306-515-460
Head Combo, GenX® Top-End, Chevy, Small Block, LS2, Kit
Part Number: TFS-K306-550-470
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Head Combo, GenX® Top-End, 455 hp/426 ft.-lbs. Torque, Chevy, 5.3L, Kit
Part Number: TFS-K305-455-425
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Headers, Downsweep Dragster, Stainless Steel, Natural, 5.0 in. Slip Fit Collector, Chevy, Big Block, Pair
Part Number: TFS-DBBC238250
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Headers, Turbo, Down/Forward, Stainless, Natural, 2.50 in. Tube, 3.50 in. Collector, Chevy, Big Block, Pair
Part Number: TFS-BBCDFT
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Headers, Down/Forward, Stainless, Natural, 1.75 in. Tube, 3.00 in. Collector, Chevy, Small Block LS, Pair
Part Number: TFS-LS1DFT
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Header, Up/Forward, Stainless Steel, Natural, 2 1/4 in. Tubes, 3 1/2 in. Collectors, Chevy, Big Block, Kit
Part Number: TFS-BBCT
Not Yet Reviewed
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Estimated Ship Date: Monday 3/2/2026 if shipped by air
Headers, Downsweep Dragster, Stainless Steel, Natural, 4.5 in. Slip Fit Collector, Chevy, Big Block, Pair
Part Number: TFS-DBBC225238
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 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
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Headers, Downsweep Dragster, Stainless, Natural, 2 3/8 in. Primary, 4 1/2 in. Collector, Chevy, Big Block
Part Number: TFS-DNBBC238
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Headers, Downsweep Dragster, Stainless, Natural, 2 1/2 in. Primary, 5 in. Collector, Chevy, Big Block, Pair
Part Number: TFS-DNBBC250
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 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
Not Yet Reviewed
Head Combo, GenX® Top-End, 500 HP/460 ft.-lbs. Torque, Chevy, Small Block, LS1, Kit
Part Number: TFS-K306-500-460
Not Yet Reviewed
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