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

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: Today

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Cylinder Head, GenX® 205, Competition Ported, Assembled, 58cc CNC Chamber, Titanium Retain, GM LS Vortec, Each

Part Number: TFS-3051T001-C00

Not Yet Reviewed

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Cylinder Head, GenX® 205, Competition Ported, Assembled, 58cc CNC Chambers, GM LS Vortec, Each

Part Number: TFS-30510001-C00

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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 )

Estimated Ship Date: Today

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Cylinder Heads, Victor LS-R Pro-Port, Aluminum, Bare, 25cc Chamber, Hot Isostatic Pressing Processed for Optimum Strength, Chevrolet, 7.0L LS, Each

Part Number: EDL-770469

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Cylinder Head Studs, Pro Series, 12-Point Head, M11 and M8, 5 1/8 in. and 2 1/2 in. Lengths, 8740 Material, Chevy, 4.8, 5.3, 5.7, 6.0L, LS, Kit

Part Number: ARP-234-4317

4.54 out of 5 stars ( 39 )

Estimated Ship Date: Today

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Cylinder Head, Enforcer, Aluminum, Assembled, 64cc Chamber, 210cc Intake, Cathedral Port, Chevrolet, LS, Each

Part Number: AFR-1501

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Cylinder Head Studs, ARP2000, 12-Point Nuts, Fastener Lube, Chevy, LS, 2004 and Later, Kit

Part Number: ARP-234-4345

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Cylinder Head Fasteners, Bolt, 2004+ Chevrolet LS, Hex Head, Steel, Zinc Plated, Kit

Part Number: SUM-910211

4.3 out of 5 stars ( 23 )

Estimated Ship Date: Today

Cylinder Head Fasteners, 12-point Style, Stud, Mixed Length Lower, Early LS Style, 8740 Chromoly Material, 180,000 psi, Black Oxide Finish, Kit

Part Number: ARP-234-4316

4.86 out of 5 stars ( 22 )

Estimated Ship Date: Today

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Chevy LS Cylinder head, 255cc Rectangle port Intake Runner, 67cc Chamber, 2.16 Intake Valve 1.6 Exhaust Valve, 4.000 + bore sizes, Max .600 Lift, Each

Part Number: SUM-162LS3255REC

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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LS Cylinder Head, 5.3L Specific, 60cc Chamber, 2.000 Int. Valve, Permanent Mold A-356, Manganese Guides, Ductile Seats, PAC Springs, 21 4N Stainless

Part Number: SUM-LS210CATH60

Not Yet Reviewed

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LS Cylinder Head, 5.3L Specific, 64cc Chamber, 2.000 Int. Valve, Permanent Mold A-356, Manganese Guides, Ductile Seats, PAC Springs, 21 4N Stainless

Part Number: SUM-LS210CATH64

Not Yet Reviewed

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1997-03 GM Gen.3 LS Head Bolts, Zinc Plated, Steel, Hex, Torque To Yield, Kit

Part Number: SUM-910210

3.86 out of 5 stars ( 14 )

Estimated Ship Date: Today

Cylinder Head, GenX® 255, CNC Comp Port, Assembled, 69cc CNC Chamber, 450 Lb. Springs, Ti Retain, GM LSX, Each

Part Number: TFS-3261T002-C01

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Cylinder Head Bolts, High Performance Series, Hex Head, ARP 2000, Black Oxide, Same Length Bolts, Includes Washers and Lube, Chevy, LS, Kit

Part Number: ARP-234-3602

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Cylinder Head, Bare, 68cc Combustion Chamber, 276cc Intake Runner, 92cc Exhaust Runner, Aluminum, Chevy, LS, Each

Part Number: FLK-LS3-500

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Cylinder Head Fasteners, 12-point Style, Stud, Mixed Length Lower, Early LS Style, Custom Age 625-Plus Material, 270,000 psi, Mixed Finishes, Kit

Part Number: ARP-234-4344

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Cylinder Head, L92, Aluminum, Assembled, 70cc Chamber, Chevy, LS, Each

Part Number: NAL-12711770

Not Yet Reviewed

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Cylinder Head, Assembled, 68cc Combustion Chamber, 276cc Intake Runner, 92cc Exhaust Runner, Aluminum, Chevy, LS, Each

Part Number: FLK-LS3-505

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Cylinder Head Fasteners, Dart LS Next,12-point Head Style, Stud, Black Oxide, Kit

Part Number: ARP-234-4341

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Cylinder Head Bolts, Chevy LS 4.8, 5.3, 5.7, 6.0L, 1 Cylinder Head, Kit

Part Number: FEL-ES72173

4.14 out of 5 stars ( 22 )

Estimated Ship Date: Today

Cylinder Head, Enforcer, Aluminum, Bare, 64cc Chamber, 210cc Intake, Cathedral Port, Small Bore, Chevrolet, LS, Each

Part Number: AFR-1507

Not Yet Reviewed

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Cylinder Head Bolts, Bolts for One Head, Hex, Steel, Natural, Chevy, LS, Kit

Part Number: FEL-ES72390

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today