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

0.372 Mng. Blank Guide

Part Number: KPM-20-20382

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AFR SBC/SBF 11/32 Guide, 502 O.D.

Part Number: AFR-9049

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Estimated Ship Date: Dec 8, 2025 if ordered today

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+.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 2, 2025 if ordered today

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Valve Guide, Powersports, Bronze, Exhaust, Each

Part Number: KPM-30-30210

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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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ENGINE FASTENER, BTR HEAD BOLT - LS - LARGE

Part Number: BTC-S0367

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Estimated Ship Date: Nov 26, 2025 if ordered today

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Valve Seats - K-10 Seat 30000 Series AOD 2.072

Part Number: DUR-32440

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Valve Seats - K-10 Seat 30000 Series AOD 2.0866

Part Number: DUR-31195

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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: Nov 20, 2025 if ordered today

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Cylinder Head Fasteners, Head Bolt Kits, Steel, Natural, Saab, Subaru, 2.5L, Set

Part Number: MAH-GS33419

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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 Bushing Kit, Edelbrock Performer/Performer RPM, AMC, Set of 28

Part Number: EDL-9693

5.0 out of 5 stars ( 2 )

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Valve Seat; Intake; 2.19 in. Valve

Part Number: EDL-9716

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

Part Number: FLE-FPE6110003D

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

Part Number: MAH-GS33597

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