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

Cylinder Head, Merlin, Cast Iron, Bare, 119cc Chamber, 345cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030630

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Estimated Ship Date: Jun 9, 2026 if ordered today

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Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 269cc Intake Runner, Chevy, Big Block, Each

Part Number: WRL-030040-2

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 9, 2026 if ordered today

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Cylinder Head, Aluminum, Assembled, 64cc Chamber, 200cc Intake Runner, Chevy, 302, 327, 350, .575 in. Hyd Roller Pair

Part Number: SUM-162111

4.56 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Cylinder Studs, Steel, Black Oxide, OEM/S&S Super Stock Cases, Harley-Davidson®, Set of 8

Part Number: SSY-31-2321

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Engine Fasteners, Head Bolt Kit, 12-point, Steel, Black, Harley-Davidson®, Kit

Part Number: SSY-900-1006

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Valve Guide, Powersports, Bronze, Exhaust, Each

Part Number: KPM-20-2031

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Rocker Boxes, Die-cast Aluminum, Chrome, Harley-Davidson®, Pair

Part Number: BKC-48-9725

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Estimated Ship Date: May 18, 2026 if ordered today

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Valve Guide, Powersports, Cast Iron, Intake, Each

Part Number: KPM-20-2052C

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S&S Cycle 1999+ BT Pin Dowel - 4 Pack

Part Number: SSY-50-8177-4

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Estimated Ship Date: May 27, 2026 if ordered today

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Cylinder Heads, LSX Mongoose, Aluminum, Assembled, 65cc Combustion Chamber, 230cc Intake, Chevy, Pair

Part Number: AFR-1660

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Cylinder Studs, Steel, Black Oxide, OEM/S&S Super Stock T2 Cases, Harley-Davidson®, Set of 8

Part Number: SSY-31-2340

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Estimated Ship Date: May 27, 2026 if ordered today

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

Part Number: KPM-20-2020M

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

Part Number: KPM-20-2029M

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INTAKE/EXHAUST STD VALVE GUIDE

Part Number: SSY-90-2210

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Estimated Ship Date: May 27, 2026 if ordered today

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Valve Guide, Bronze, Intake, 0.375 in. Inside Diameter, + 0.001 in. Outside Diameter, Harley-Davidson®, Each

Part Number: KPM-20-2021

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Engine Valve Guide - DETROIT DIESEL 11.1L

Part Number: EGN-GD8591

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Estimated Ship Date: May 22, 2026 if ordered today

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Cylinder Head, DHC™ 200, CNC Street Ported, Bare, No Accessory Bolt Holes, Small Chevy, Each

Part Number: TFS-3021B002-C00

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Cylinder Heads, Bare, Aluminum, Natural, Ford, Flathead V8, Pair

Part Number: EDL-1115

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Cylinder Head, DHC™ 200, CNC Street Ported, Bare, With Accessory Bolt Holes, Small Chevy, Each

Part Number: TFS-3021B006-C00

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Cylinder Head, DHC™ 200, CNC Street Ported, Assembled, 1.46 in. Springs, With Accessory Holes, Chevy, Each

Part Number: TFS-30210007-C00

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Cylinder Heads, Bare, Aluminum, Natural, Ford, Flathead V8, Pair

Part Number: EDL-1125

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Cylinder Head, Merlin, Cast Iron, Assembled, 119cc Chamber, 320cc Intake Runner, 26 Degrees, Chevy, Big Block, Each

Part Number: WRL-030620-2

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Jun 10, 2026 if ordered today

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Cylinder Head, Performer RPM CNC, Assembled, Aluminum, 72cc Chamber, 215cc Intake Runner, Pontiac, 455, Each

Part Number: EDL-61515

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

Part Number: WRL-030620

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Estimated Ship Date: Jun 10, 2026 if ordered today

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

Part Number: WRL-030620CNC

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Estimated Ship Date: Jun 10, 2026 if ordered today

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