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

Chevy LS Cylinder head, 210cc Cathedral port Intake Runner, 64cc Chamber, 2.02 Intake Valve 1.6 Exhaust Valve, 3.898+ bore sizes, Max .660 Lift, Each

Part Number: SUM-162LS210CATH

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Cylinder Heads, LS3, Aluminum, 260cc Intake Runner Volume, 95cc Exhaust Runner Volume, Pair

Part Number: AFR-1845

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

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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 11/10/2025

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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 11/10/2025

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Cylinder Head, Aluminum, Assembled, 68cc, Cadillac, 6.2L, LSA, Each

Part Number: NAL-12675872

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

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Cylinder Head, LS3, Aluminum, Assembled, 68.4cc, 260cc Intake Runner, Each

Part Number: NAL-12675871

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

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Cylinder Head, GenX® 260, CNC Comp Port, Assy, 70cc CNC Chamber, 450 Springs, Ti Retain, 6-Bolt, GM LSX, Each

Part Number: TFS-3271T004-C01

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Estimated Ship Date: Monday 11/10/2025

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Cylinder Head, GenX® 260, CNC Comp Port, Assembled, 70cc CNC Chamber, 450 Lb. Springs, Ti Retain, GM LSX, Each

Part Number: TFS-3271T002-C01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

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Cylinder Head, GenX® 255, CNC Comp Port, Assy, 69cc CNC Chamber, 450 lbs. Springs, Ti Retain, 6-Bolt, GM LSX, Each

Part Number: TFS-3261T004-C01

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Cylinder Head, GenX® 220, Fast As Cast®, Assembled, 64cc CNC Chambers, GM LS1, Each

Part Number: TFS-30610001

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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

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Estimated Ship Date: Monday 11/10/2025

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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: Monday 11/10/2025

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Cylinder Head, 255cc, Intake Runner, 69 cc Combustion Chamber Volume, Assembled, 2.160 Intake Valve Diameter, Angled Plug, LS, Chevy Each.

Part Number: HPE-2CT13S1

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Estimated Ship Date: Monday 11/10/2025

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Assembled LS Chevy Aluminum Cylinder Head, As Cast, 259CC, 72CC Combustion Chamber, Standard Head Bolts, LS3

Part Number: MLL-PS8015

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Estimated Ship Date: Monday 11/10/2025

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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: Dec 5, 2025 if ordered today

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Cylinder Head Fasteners, 12-point Head Style, Stud, Chromoly, Black Oxide, Kit

Part Number: ARP-2344340

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Estimated Ship Date: Monday 11/10/2025

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Cylinder Heads, E-Street, Assembled, Aluminum, 64cc Chamber, 210cc Intake Runner, 75cc Exhaust Runner, Cathedral Port, Chevy, Small Block LS, Pair

Part Number: EDL-7763

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Valve Guides, Bronze, 0.315 in. I.D., 0.502 in. O.D., 2.100 in. Length, Use with LSX, Small Block Chevy and Small Block Ford Engines, Each

Part Number: AFR-9051-1

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Estimated Ship Date: Monday 11/10/2025

Cylinder Head Dowel Pin, Chevy, Small Block, LS Engines, Each

Part Number: NAL-12570326

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Monday 11/10/2025

Cylinder Head, GenX® 225, CNC Competition Ported, Bare, 65cc CNC Chambers, GM LS2, Each

Part Number: TFS-3061B001-C02

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Valve Guides, Bronze, Chevy, Small Block, LS1, Set of 16

Part Number: TFS-30600251

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Estimated Ship Date: Monday 11/10/2025

Cylinder Head, GenX® 255, CNC Competition Ported, Assembled, 69cc CNC Chambers, 450 Lb. Springs, GM LSX, Each

Part Number: TFS-32610002-C01

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Estimated Ship Date: Monday 11/10/2025

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LS Cathedral Port/SBC/SBF 8mm Bronze Guide, .502" O.D., Set of 16

Part Number: AFR-9051-16

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Estimated Ship Date: Monday 11/10/2025

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Cylinder Head Dowel Pins, Stock Replacement, GM, Gen III/IV LS, Each

Part Number: BTC-BTR70326

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Estimated Ship Date: Monday 11/10/2025