CHEVROLET Top End Kits

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: Monday 9/22/2025

• Free Shipping

TOP END KIT

Part Number: NAL-12558060K1

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

• Free Shipping

Top End Engine Kit, IK Series, Cylinder Heads, Hydraulic Roller, Intake Manifold, Vale Springs, Gaskets, Hardware, Chevy, 350,

Part Number: BRO-9991029

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

• Free Shipping

LT1 CAM and Head Kit

Part Number: NAL-19333525

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order