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: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 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
Cylinder Head, LSX-LS7, Assembled, CNC-Ported, 70cc Combustion Chamber, Aluminum, Natural Finish, 2.20 in. Intake Valve, Rectangular Intake Port, Each
Part Number: NAL-19419197
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Cylinder Heads, LS3, Aluminum, 260cc Intake Runner Volume, 95cc Exhaust Runner Volume, Pair
Part Number: AFR-1845
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Cylinder Heads, LS3, Aluminum, 260cc Intake Runner Volume, 95cc Exhaust Runner Volume, 6 Bolt, Pair
Part Number: AFR-1840
Estimated Ship Date: Dec 12, 2025 if ordered today
Estimated Ship Date: Dec 12, 2025 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
Cylinder Heads, 260cc LS3 Mongoose, Aluminum, Bare, 69cc Chamber, 260cc Intake, Round Exhaust Port, Pedestal Mounting Style, Chevrolet, 6.2L, Pair
Part Number: AFR-1846
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 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
Not Yet Reviewed
Cylinder Heads, 260cc LS3 Mongoose, Aluminum, Bare, 69cc Chamber, 245cc Intake, Round Exhaust Port, Pedestal Mounting Style, Chevrolet, 6.2L, Pair
Part Number: AFR-1841
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 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
Top End Engine Kit, Power Package, Intake, Heads, Cam, Timing Chain, Head Bolts, Chevy LS3, Kit
Part Number: EDL-2071
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Cylinder Heads, Mongoose Strip, Assembled, 73cc Chambers, 210cc Intake Ports, Chevy, LSX, Pair
Part Number: AFR-1690
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.