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

Valve Guide, Manganese Bronze, + 0.010 in., Intake, Harley-Davidson®, Each

Part Number: KPM-20-2029M

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Valve Guide, Manganese Bronze, Intake, Harley-Davidson®, Each

Part Number: KPM-20-2050M

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Valve Seat, Ductile Iron, Intake, 2.450 in. Outside Diameter, Ford, Big Block, Each

Part Number: TFS-54400271-1

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Estimated Ship Date: Oct 27, 2025 if ordered today

• Special Order

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

Part Number: TFS-30400252-1

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Cylinder Head Bolt Sleeve, 0.500 in., 0.014 in. Wall Thickness, 12 in. Long, Each

Part Number: DRT-63300020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 10, 2025 if ordered today

• Special Order

BILLET HEAD BOLT KIT

Part Number: JRC-322-4000

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Estimated Ship Date: Tomorrow if ordered today

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Valve Seat, Powdered Metal, 9.50mm Thick, 23.00mm I.D., 31.00mm O.D., Each

Part Number: KPM-10-SC310

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Sintered Valve Seat Insert

Part Number: DUR-30655

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Estimated Ship Date: Oct 8, 2025 if ordered today

• Special Order

Valve Seats - K-10 Seat 30000 Series AOD 1.811

Part Number: DUR-39061

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• Special Order

Valve Seats - K-10 Seat 30000 Series AOD 2.072

Part Number: DUR-32440

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• Special Order

Valve Seats - K-10 Seat 30000 Series AOD 2.0866

Part Number: DUR-31195

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Estimated Ship Date: Oct 20, 2025 if ordered today

• Special Order

Cylinder Head Bolt Sleeve, 0.656 in., 0.014 in. Wall Thickness, 2.800 in. Long, Each

Part Number: DRT-63300050

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Estimated Ship Date: Nov 20, 2025 if ordered today

• Special Order

Cylinder Head Bolts, Steel, Natural, Mazda, V6, Set of 16

Part Number: BCK-016-1062

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Cylinder Head Fasteners, Bolt Style, Internal Allen Head, Steel, Natural, for Infiniti, for Nissan, 2.5L, 5.6L, Set of 10

Part Number: BCK-016-1073

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Kia Rio, 1.5L 1493cc, 1.6L 1594cc 2001-2005

Part Number: MAH-GS33671

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Cylinder Head, 2006-2010 Factory LBZ/LMM Duramax Cylinder Head (Driver Side)

Part Number: FLE-FPE6110003D

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Cylinder Head, 2006-2010 Factory LBZ/LMM Duramax Cylinder Head (Passenger Side)

Part Number: FLE-FPE6110003P

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GM 4.6L Northstar Vins 9, Y, A (2004-2009)

Part Number: MAH-GS33597

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Head Bolt Set, 3.8L, Buick, Olds, Pontiac

Part Number: FEL-ES74022

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• $50.00 Summit Bucks

Cyl Head, HONDA J35A7 05-07 LEFT HD

Part Number: VRE-2547DL

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Estimated Ship Date: Tomorrow

• Core Charge $130.00
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SBC 225 CC PRO DESIGNED FULL CNC PORT AND CHAMBER 2.08/1.60 72CC CHAMBER 5 ANGLE VALVE JOB FULLY ASSEMBLED WIT

Part Number: PMX-92282

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SBC 225 CC PRO DESIGNED FULL CNC PORT AND CHAMBER 2.08/1.60 64CC CHAMBER 5 ANGLE VALVE JOB FULLY ASSEMBLED WIT

Part Number: PMX-9225A

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Cylinder Head, Enforcer, Aluminum, Assembled, 64cc Chamber, 185cc Intake, Ford, Small Block, Each

Part Number: AFR-1341

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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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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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: Tomorrow