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

Cylinder Head, 250cc LS1/LS6, Aluminum, 61cc Chamber, 250cc Runner, 2.080 in. Intake Valve, 1.600 in. Exhaust Valve, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS1250

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Estimated Ship Date: Jul 7, 2026 if ordered today

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Cylinder Head, CNC, Victor 11 Degree, Aluminum, Bare, 68cc Chamber, 263cc Intake Runner, 6-Bolt Flange, Chevy, LS3, Each

Part Number: EDL-77670

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Estimated Ship Date: May 7, 2026 if ordered today

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Cylinder Head, CNC, Victor 12 Degree, Aluminum, Bare, 69cc Chamber, 291cc Intake Runner, 6-Bolt Flange, Chevy, LS7, Each

Part Number: EDL-77678

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Estimated Ship Date: May 7, 2026 if ordered today

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ALUMINUM CYLINDER HEAD - LS1/LS6, 210cc INTAKE RUNNER, 64cc COMBUSTION CHAMBER, GM 243 STYLE, 1-PC

Part Number: TSN-JM4500

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Estimated Ship Date: Jun 15, 2026 if ordered today

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BOLT KIT, CYLINDER HEAD, GM CHEVY, LS1, LS6, 4.8, 5.3, 5.7, 6.0L, 2004-Up, SCM-4140 Alloy Steel, 6pt hex head, 200,000 PSI

Part Number: PQX-1034621

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Estimated Ship Date: Jun 12, 2026 if ordered 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: Monday 4/13/2026 if shipped by air

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

Part Number: AFR-1506

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Cylinder Head, Aluminum, Assembled, Intake Valve, Exhaust Valve, Chevrolet, Small Block, Gen V, Each

Part Number: ADO-12699617

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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

Part Number: AFR-1507

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Cylinder Head, LS, Aluminum, Cathedral, Bare, Small Bore, Enforcer, Each

Part Number: AFR-1502

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

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LS 12-POINT HEAD STUD KIT CHROME MOLY MATERIAL

Part Number: EW1-17303

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

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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

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Estimated Ship Date: Aug 6, 2026 if ordered today

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Cylinder Head Studs, Pro Series, Hex Head, Pre-2004 Design with Different Bolt Lengths, Chevy, 4.8, 5.3, 5.7, 6.0L, Kit

Part Number: ARP-234-4110

4.94 out of 5 stars ( 16 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Cylinder Head Fasteners, 12-point Style, Stud, Mixed Length Lower, Early LS Style, ARP 2000 Material, 220,000 psi, Black Oxide Finish, Kit

Part Number: ARP-234-4313

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Head Bolt, 8mm, Hex, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Small Block Chevy, LS, Each

Part Number: NAL-12558840

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Estimated Ship Date: Monday 4/13/2026 if shipped by air