CHEVROLET Chevy small block Gen III/IV (LS-based engines) Cylinder Heads

Cylinder Head, GenX® 235, Competition Ported, Assembled, 70cc CNC Chambers, Ti Retainers, 6-Bolt, GM LSX, Each

Part Number: TFS-3061T003-C03

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Head Bolt, 11mm, Hex, Cadillac, Chevy, Small Block Chevy, LS, Each

Part Number: NAL-19258707

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Cylinder Head Bolts, Hex Head, Chromoly, Black Oxide, Flat Washers, Chevy, Small Block LS, Kit

Part Number: EDL-8595

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Valve Seat Inserts, Exhaust, Ductile Iron, 1.350 in. I.D., 1.650 in. O.D., Chevrolet, Ford, Each

Part Number: AFR-9069

5.0 out of 5 stars ( 1 )

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Cylinder Heads, E-Street, 15-Degree, for GM LS3, with 0.660 in. Lift, Aluminum, Assembled, Chevy, Pair

Part Number: EDL-77618

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Cylinder Head, GenX® 255, Aluminum, Bare, 69cc Chamber, 255 cc Intake, GM, 6.2,.7.0L, LSX Block, Each

Part Number: TFS-3261B003-C01

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Cylinder Head Studs, Pro Series, Block Thread Repair, Custom Age 625+ Alloy, 12-Point Nuts, Chevy, LS, Kit

Part Number: ARP-434-4348

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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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Valve Seats, Ductile Iron, Exhaust, 1.625 in. Outside Diameter, Chevy, Small Block, LS1, Set of 8

Part Number: TFS-30600272

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Valve Seat Inserts, Intake, Ductile Iron, 1.720 in. I.D., 2.132 in. O.D., Chevrolet, Ford, Each

Part Number: AFR-9059

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Cylinder Head Bolts, High Performance, Hex Head, World Products Motown Iron LS Blocks Only, Sold as Kit

Part Number: ARP-134-3611

4.5 out of 5 stars ( 2 )

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Bolt, LS Engine Coolant Plug Fastener, 6mm x 1.0 Thread, Hex, Steel, Chevrolet, Pontiac, Each

Part Number: NAL-11588714

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Cylinder Head Studs, SCM-4140 Alloy, 12-Point Head, Chevy, 5.3, 5.7, 6.0L, Kit

Part Number: PQX-1036421

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Valve Guide, Bronze, Chevy, Small Block, LS1, Each

Part Number: TFS-30600251-1

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Valve Seat, Ductile Iron, Exhaust, 1.625 in. Outside Diameter, Chevy, Small Block, LS1, Each

Part Number: TFS-30600272-1

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Valve Seat, Ductile Iron, Intake, 2.125 in. Outside Diameter, Chevy, Small Block, LS1, Each

Part Number: TFS-30600271-1

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Head Bolt Kit

Part Number: PIO-851200

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Estimated Ship Date: Sep 30, 2025 if ordered today

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Valve Seat, Ductile Iron, Exhaust, 1.680 in. Outside Diameter, Chevy, Small Block, LS1, Each

Part Number: TFS-30600274-1

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Cylinder Head, 260cc LS3, CNC Ported, 6 Bolt, 70cc Chamber, 260cc Runner, 2.165 in. Intake , 1.600 in. Exhaust, 0.650 in. Max Lift, Chevy, Each

Part Number: HPE-HPLS3260

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Estimated Ship Date: Dec 9, 2025 if ordered 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

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Cylinder Head Stud kit, High Performance, Edelbrock LS-R heads, kit

Part Number: EDL-8510

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Cylinder Head, LSX-SC, As-Cast, 70cc Combustion Chamber, Bare, Aluminum, Natural, Chevy, Each

Part Number: NAL-19417408

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Estimated Ship Date: Jan 8, 2026 if ordered today

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LSX-LS9 Cylinder Head Assembly

Part Number: NAL-19419190

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Estimated Ship Date: Jan 8, 2026 if ordered today

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Cylinder Heads, LSX, Bare, Aluminum, 70cc Chamber, 270cc Intake Runner, D-port Exhaust, Angle Plugs, Chevy, LSX, Each

Part Number: NAL-19419194

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Estimated Ship Date: Jan 8, 2026 if ordered today

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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: Jan 8, 2026 if ordered today

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