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Cylinder Heads, Valve Seats, Head Bolts, Top End Kits & More

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Trick Flow® GenX® Top-End Engine Kits for GM LS TFS-K326-580-520

Made in the USA Trick Flow® GenX® Top-End Engine Kits for GM LS TFS-K326-580-520

Trick Flow® GenX® Top-End Engine Kits for GM LS TFS-K326-580-520

Head Combo, GenX® Top-End, 580hp, 520 ft-lbs. Torque, GM, LS3, Square Port, Kit

Part Number: TFS-K326-580-520

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Jul 1, 2026 if ordered today

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Estimated Ship Date: Jul 1, 2026 if ordered today

Trick Flow® GenX® 255 Cylinder Heads for GM LS3 TFS-3261T004-C01

Made in the USA Trick Flow® GenX® 255 Cylinder Heads for GM LS3 TFS-3261T004-C01

Trick Flow® GenX® 255 Cylinder Heads for GM LS3 TFS-3261T004-C01

Cylinder Head, GenX® 255, CNC Comp Port, Assy, 69cc CNC Chamber, 450 lbs. Springs, Ti Retain, 6-Bolt, GM LSX, Each

Part Number: TFS-3261T004-C01

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2026 if ordered today

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Estimated Ship Date: Jul 7, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Trick Flow® GenX® 255 Cylinder Heads for GM LS3 TFS-3261B003-C01

Trick Flow® GenX® 255 Cylinder Heads for GM LS3 TFS-3261B003-C01

Not Yet Reviewed

Estimated Ship Date: Today

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Trick Flow® GenX® 260 Cylinder Heads for GM LS7 TFS-3271T004-C01

Made in the USA Trick Flow® GenX® 260 Cylinder Heads for GM LS7 TFS-3271T004-C01

Trick Flow® GenX® 260 Cylinder Heads for GM LS7 TFS-3271T004-C01

Cylinder Head, GenX® 260, CNC Comp Port, Assy, 70cc CNC Chamber, 450 Springs, Ti Retain, 6-Bolt, GM LSX, Each

Part Number: TFS-3271T004-C01

Not Yet Reviewed

Estimated Ship Date: Jul 1, 2026 if ordered today

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Estimated Ship Date: Jul 1, 2026 if ordered today

Trick Flow® GenX® 260 Cylinder Heads for GM LS7 TFS-3271T003-C01

Made in the USA Trick Flow® GenX® 260 Cylinder Heads for GM LS7 TFS-3271T003-C01

Trick Flow® GenX® 260 Cylinder Heads for GM LS7 TFS-3271T003-C01

Cylinder Head, GenX® 260, CNC Comp Port, Assy, 70cc CNC Chamber, 370 Springs, Ti Retain, 6-Bolt, GM LSX, Each

Part Number: TFS-3271T003-C01

Not Yet Reviewed

Estimated Ship Date: Jul 8, 2026 if ordered today

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Estimated Ship Date: Jul 8, 2026 if ordered today

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