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

+.010 AFR SBC Oversize Intake Seat

Part Number: AFR-9060OS

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Estimated Ship Date: Dec 8, 2025 if ordered today

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

Part Number: KPM-20-2050M

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

Part Number: KPM-20-2020M

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S&S Cycle 3/8-16 UNC x 6.070in Cylinder Base Stud

Part Number: SSY-31-2325-S

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Valve Guide, Powersports, Bronze, Exhaust, Each

Part Number: KPM-30-30210

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Estimated Ship Date: Tomorrow if ordered today

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Valve Guide, Manganese Bronze, + 0.001 in., Intake, Harley-Davidson®, Each

Part Number: KPM-20-2021M

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

Part Number: KPM-20-2029M

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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: Dec 22, 2025 if ordered today

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

Part Number: TFS-30400252-1

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BILLET HEAD BOLT KIT

Part Number: JRC-322-4000

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Estimated Ship Date: Nov 19, 2025 if ordered today

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Sintered Valve Seat Insert

Part Number: DUR-30655

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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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Valve Seats - K-10 Seat 30000 Series AOD 2.072

Part Number: DUR-32440

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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: Jan 6, 2026 if ordered today

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ENGINE FASTENER, BTR HEAD BOLT - LS - LARGE

Part Number: BTC-S0367

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Estimated Ship Date: Nov 28, 2025 if ordered today

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

Part Number: FEL-ES74022

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Cylinder Head Bolt Set,Toyota

Part Number: FEL-ES72489

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Cylinder Head, 320cc, Solid Roller, Aluminum, Assembled, 0.850 in. Lift, Chevrolet, Big Block Mark IV, Each

Part Number: FLK-305-5059

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

Part Number: BCK-016-1062

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Cylinder Head Studs, Heavy Duty, Chromoly, 12-Point Nuts, Ford, 7.3L, IDI Diesel, Kit

Part Number: GFN-HSK73IDI

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Ford 250/350 Super Duty 03-10 Inner Row Head Bolt Kit 6.0L Gator Fasteners

Part Number: GFN-IRHBK60

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Top End Engine Kit REPLACEMENT CYLINDER REPLACEMENT CYLINDER STANDARD BORE HEAD ONLY

Part Number: CLW-CH2001-K01

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Cylinder Head, Motown 220, Cast Iron, Assembled, 64cc Chamber, 220cc Intake, Designed for Use with Hydraulic Flat Tappet Camshafts, Chevy, Small Block

Part Number: WRL-014250-1

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Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030620M-2

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