Trick Flow Specialties Top End Kits Engines & Components - ls rocker arms KEYWORD - Free Shipping on Orders Over $109 at Summit Racing

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: Feb 10, 2026 if ordered today

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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

4.5 out of 5 stars ( 4 )

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Head Combo, GenX® Top-End, 515 HP/460 ft.-lbs. Torque, Chevy, Small Block, LS1, Kit

Part Number: TFS-K306-515-460

5.0 out of 5 stars ( 3 )

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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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Head Combo, GenX® Top-End, Chevy, Small Block, LS2, Kit

Part Number: TFS-K306-550-470

3.33 out of 5 stars ( 3 )

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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

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