Cylinder Heads & Components

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  In Stock

  AVV Valve Spring Kit. Fits Big Twin 1984-2004, Sportster & Buell 1986-2003. Beehive Springs with .650in. Lift.

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $249.00

  SKU: AV-VSK6500

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  In Stock

  AVV Valve Spring Kit. Fits Big Twin 1984-2004, Sportster & Buell 1986-2003. Steel Double Springs with .600in. Lift.

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $248.00

  SKU: AV-VSK600S

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  In Stock

  AVV Valve Spring Kit. Fits Big Twin 1984-2004, Sportster & Buell 1986-2003. Steel Double Springs with .650in. Lift.

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $321.00

  SKU: AV-VSK650S

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  In Stock

  AVV Valve Spring Kit. Fits Big Twin 1984-2004, Sportster & Buell 1986-2003. Steel Double Springs with .675in. Lift. Titanium Retainers!

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $590.00

  SKU: AV-VSK675T

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  Out Of Stock

  AVV Valve Spring Kit. Fits Twin Cam 2005-2017, Sportster 2004-2021. Beehive Springs with .600in. Lift.

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $246.00

  SKU: AV-VSK6000S-7SG

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  Out Of Stock

  AVV Valve Spring Kit. Fits Twin Cam 2005-2017, Sportster 2004up. Beehive Springs with .650in. Lift.

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $249.00

  SKU: AV-VSK65007SG

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  Sale! In Stock

  AVV Valve Spring Shims – 0.015in. Thick. Fits Big Twin 1984-2004. Pack of 20.

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $29.90 Original price was: $29.90.$23.00Current price is: $23.00.

  SKU: AV-VSS5015

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  Out Of Stock

  AVV Valve Spring Shims – 0.022in. Thick. Fits Twin Cam 2005-2017. Pack of 20.

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $42.00

  SKU: AV-VSS6022

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  Sale! In Stock

  AVV Valve Spring Shims – 0.030in. Thick. Fits Big Twin 1984-2004. Pack of 20.

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $29.90 Original price was: $29.90.$23.00Current price is: $23.00.

  SKU: AV-VSS5030

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  Out Of Stock

  AVV Valve. Exhaust Valve on Big Twin 1948-84 & Intake Valve on Big Twin 1948-1965. OEM Replacement.

  Cylinder Heads & Components, Cylinder Heads & Parts - Vintage, Engine

  $56.00

  SKU: AV-HD07

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  Out Of Stock

  AVV Viton Style Valve Guide Seals Fits Big Twin 1984-2004, Sportster & Buell 1986-2003.

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $12.00

  SKU: AV-V312421

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  Out Of Stock

  AVV Viton Valve Guide Seals. Fits Big Twin 1984-2004, Sportster & Buell 1986-2003 using AV&V Guides.

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $13.00

  SKU: AV-V312531

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  Out Of Stock

  AVV Viton Valve Guide Seals. Fits V-Rod 2002-2017.

  Cylinder Heads & Components, Cylinder Heads & Parts - V-Rod, Engine

  $16.00

  SKU: AV-V6MM

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  In Stock

  Colony Machine 12 Point Style Head Bolts – Chrome. Fits Pan & Shovel 1948-1984 Big Bore.

  Cylinder Heads & Components, Cylinder Heads & Parts - Vintage, Engine

  $103.00

  SKU: CM-8714-20

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  In Stock

  Colony Machine Head Bolts with Polished 12 Point – Chrome. Fits Evo Big Twin 1985-1991, Sportster 1986-1992 & S&S Heads.

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $219.00

  SKU: CM-2011-8

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  In Stock

  Colony Machine Stock Head Bolts – Chrome. Fits Pan & Shovel 1948-1984.

  Cylinder Heads & Components, Cylinder Heads & Parts - Vintage, Engine

  $138.00

  SKU: CM-8221-20

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  Out Of Stock

  Cometic Gaskets Valve Guide Seals. Fits Big Twin 1984-2004 & Sportster 1986-2004.

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $16.00

  SKU: CG-C9836-4

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  Out Of Stock

  Cometic Gaskets Valve Guide Seals. Fits Twin Cam 2005-2017 & Sportster 2004-2021. OEM Style.

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $27.00

  SKU: CG-C9153-4

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  In Stock

  Feuling .650in. Lift Endurance Beehive Valve Spring Kit. Fits Big Twin 1984-2004, Sportster & Buell 1986-2003.

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $418.00

  SKU: FE-1100

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  Out Of Stock

  Feuling .650in. Lift Endurance Beehive Valve Spring Kit. Fits Twin Cam 2005-2017 & Sportster 2004-2021.

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $418.00

  SKU: FE-1105

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  In Stock

  Feuling 0.565in. Lift Endurance Valve Spring Kit. Fits Milwaukee-Eight 2017up.

  Cylinder Heads & Components, Cylinder Heads & Parts - M8, Engine

  $701.00

  SKU: FE-1107

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  In Stock

  Feuling 585in. Lift ECONO Performance Beehive Valve Spring Kit. Fits Big Twin 1984-2004, Sportster & Buell 1986-2003.

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $253.00

  SKU: FE-1120

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  In Stock

  Feuling 585in. Lift ECONO Performance Beehive Valve Spring Kit. Fits Twin Cam 2005-2017 & Sportster 2004-2021.

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $253.00

  SKU: FE-1121

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  In Stock

  Feuling APR Head Bolt Kit. Fits Twin Cam 1999-2017, Evo Big Twin 1985-1999 & Sportster 1992-2021

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $503.00

  SKU: FE-3005

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  Out Of Stock

  Feuling ARP Head Bolt Kit. Fits Milwaukee-Eight 2017up.

  Cylinder Heads & Components, Cylinder Heads & Parts - M8, Engine

  $672.00

  SKU: FE-3007

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  Out Of Stock

  Feuling ARP Head Bolts – Stainless Steel. Fits Pan & Shovel 1948-1984.

  Cylinder Heads & Components, Cylinder Heads & Parts - Vintage, Engine

  $217.00

  SKU: FE-3010

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  In Stock

  Feuling ARP Hi-Performance Cylinder Stud Set. Fits Milwaukee-Eight 2017up

  Cylinder Heads & Components, Cylinder Heads & Parts - M8, Engine

  $400.00

  SKU: FE-3027

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  Out Of Stock

  Goodridge Rocker Oil Line Kit – Stainless Steel. Fits Big Twin 1966-1984

  Cylinder Heads & Components, Cylinder Heads & Parts - Vintage, Engine

  $70.00

  SKU: GOO-HDOL-R01

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  In Stock

  Goodridge Rocker Oil Line Kit – Stainless Steel. Fits Sportster 1957-1985

  Cylinder Heads & Components, Cylinder Heads & Parts - Vintage, Engine

  $70.00

  SKU: GOO-HDOL-R02

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  In Stock

  James Gaskets Inc Valve Guide Seals. Fits Big Twin 1948-1979

  Cylinder Heads & Components, Cylinder Heads & Parts - Vintage, Engine

  $18.00

  SKU: JGI-18000-48

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  In Stock

  James Gaskets Inc Valve Guide Seals. Fits Big Twin 1980-1984

  Cylinder Heads & Components, Cylinder Heads & Parts - Vintage, Engine

  $18.00

  SKU: JGI-18000-81

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  Out Of Stock

  James Gaskets Inc Valve Guide Seals. Fits Big Twin 1984-2004 & Sportster 1986-2004.

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $17.00

  SKU: JGI-18001-83-A

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  In Stock

  James Gaskets Inc Valve Guide Seals. Fits Twin Cam 2005-2017 & Sportster 2005-2021

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $23.00

  SKU: JGI-18094-02

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  In Stock

  KPM 0.550in. Valve Spring Kit. Fits Milwaukee-Eight 2017up

  Cylinder Heads & Components, Cylinder Heads & Parts - M8, Engine

  $513.00

  SKU: KPM-20-21215

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  In Stock

  KPM 0.640in. Valve Spring Kit. Fits Milwaukee-Eight 2017up

  Cylinder Heads & Components, Cylinder Heads & Parts - M8, Engine

  $832.00

  SKU: KPM-20-24400

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  Out Of Stock

  KPM 1.0mm Oversize Exhaust Valve. Fits Milwaukee-Eight 2017up. High Flow

  Cylinder Heads & Components, Cylinder Heads & Parts - M8, Engine

  $64.00

  SKU: KPM-20-21062K

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  In Stock

  KPM 1.0mm Oversize Intake Valve. Fits Milwaukee-Eight 2017up. High Flow

  Cylinder Heads & Components, Cylinder Heads & Parts - M8, Engine

  $51.00

  SKU: KPM-20-21060H

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  In Stock

  KPM 2.0mm Oversize Exhaust Valve. Fits Milwaukee-Eight 2017up. High Flow

  Cylinder Heads & Components, Cylinder Heads & Parts - M8, Engine

  $64.00

  SKU: KPM-20-21063K

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  Out Of Stock

  KPM 2.0mm Oversize Intake Valve. Fits Milwaukee-Eight 2017up. High Flow

  Cylinder Heads & Components, Cylinder Heads & Parts - M8, Engine

  $51.00

  SKU: KPM-20-21061H

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  In Stock

  KPM 4.0mm Oversize Exhaust Valve. Fits Milwaukee-Eight 2017up. High Flow

  Cylinder Heads & Components, Cylinder Heads & Parts - M8, Engine

  $84.00

  SKU: KPM-20-21065K

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  In Stock

  KPM 4.0mm Oversize Intake Valve. Fits Milwaukee-Eight 2017up. High Flow

  Cylinder Heads & Components, Cylinder Heads & Parts - M8, Engine

  $84.00

  SKU: KPM-20-21063H

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  In Stock

  KPM Compression Release Valves – Sold as a Pair. Overall Length = 1.400in. x Thread Length = 0.350in.

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $92.00

  SKU: KPM-20-21250

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  In Stock

  KPM Compression Release Valves – Sold as a Pair. Overall Length = 1.730in. x Thread Length = 0.350in.

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $92.00

  SKU: KPM-20-21255

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  In Stock

  KPM Compression Release Valves – Sold as a Pair. Overall Length = 1.750in. x Thread Length = 0.500in.

  Cylinder Heads & Components, Cylinder Heads & Parts - Sporty, Engine

  $92.00

  SKU: KPM-20-21260

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  In Stock

  KPM Exhaust Intake Valve. Fits Big Twin 1984-2004. High Flow .045in. Oversize Valve

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $46.00

  SKU: KPM-20-20925

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  Out Of Stock

  KPM Exhaust Valve Guide – Manganese. Fits Twin Cam 2005-17 & Sportster 2005-2021. OEM Replacement

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $24.00

  SKU: KPM-20-20700M

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  Out Of Stock

  KPM Exhaust Valve Guide. Fits Sportster 1957-Early 1983. Standard Outside Diameter Guide

  Cylinder Heads & Components, Cylinder Heads & Parts - Sporty, Engine

  $23.00

  SKU: KPM-20-2330C

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  Out Of Stock

  KPM Exhaust Valve Guide. Fits Twin Cam 2005-17 & Sportster 2005-2021. OEM Replacement

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $25.00

  SKU: KPM-20-20700C

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  In Stock

  KPM Exhaust Valve Seat. Fits Big Twin 1966-1984

  Cylinder Heads & Components, Cylinder Heads & Parts - Vintage, Engine

  $20.00

  SKU: KPM-10-SC523

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  In Stock

  KPM Exhaust Valve. Fits Evolution Big Twin 1984-1999. OEM Replacement

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $46.00

  SKU: KPM-20-4170

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  In Stock

  KPM Exhaust Valve. Fits Milwaukee-Eight 2017up. OEM Replacement

  Cylinder Heads & Components, Cylinder Heads & Parts - M8, Engine

  $51.00

  SKU: KPM-20-21016H

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  In Stock

  KPM Exhaust Valve. Fits Twin Cam 1999-2004. OEM Replacement

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $46.00

  SKU: KPM-20-20057

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  In Stock

  KPM Exhaust Valve. Fits Twin Cam 2005-2017. OEM Replacement

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $58.00

  SKU: KPM-20-20325

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  In Stock

  KPM Head Alignment Dowel – Pack of 4. Fits Evo 1984-1999 & Sportster 1986-2021

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $31.00

  SKU: KPM-83070-4

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  In Stock

  KPM Head Alignment Dowel – Pack of 4. Fits Milwaukee-Eight 2017up

  Cylinder Heads & Components, Cylinder Heads & Parts - M8, Engine

  $25.00

  SKU: KPM-83250-4

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  In Stock

  KPM Head Alignment Dowel – Pack of 4. Fits Twin Cam 1999-2017

  Cylinder Heads & Components, Cylinder Heads & Parts - M8, Engine

  $33.00

  SKU: KPM-83080-4

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  In Stock

  KPM Intake & Exhaust Valve Guide. Fits Big Twin 1984-2004 & Sportster 1986-2003. Standard Outside Diameter. OEM Replacement.

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $23.00

  SKU: KPM-20-4320C

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  In Stock

  KPM Intake Valve Guide – Manganese. Fits Twin Cam 2005-17 & Sportster 2005-2021. OEM Replacement

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $24.00

  SKU: KPM-20-20690M

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  Out Of Stock

  KPM Intake Valve Guide. Fits Sportster 1957-Early 1983. Standard Outside Diameter Guide

  Cylinder Heads & Components, Cylinder Heads & Parts - Sporty, Engine

  $23.00

  SKU: KPM-20-2320C

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  In Stock

  KPM Intake Valve Guide. Fits Twin Cam 2005-17 & Sportster 2005-2021. OEM Replacement

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $25.00

  SKU: KPM-20-20690C

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  In Stock

  KPM Intake Valve Seat. Fits Big Twin 1966-1984

  Cylinder Heads & Components, Cylinder Heads & Parts - Vintage, Engine

  $21.00

  SKU: KPM-10-SC550

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  In Stock

  KPM Intake Valve. Fits Big Twin 1966-1984. OEM Replacement.

  Cylinder Heads & Components, Cylinder Heads & Parts - Vintage, Engine

  $48.00

  SKU: KPM-20-4194

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  Out Of Stock

  KPM Intake Valve. Fits Evolution Big Twin 1984-1999. OEM Replacement

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $46.00

  SKU: KPM-20-4171

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  Out Of Stock

  KPM Intake Valve. Fits Milwaukee-Eight 2017up. OEM Replacement

  Cylinder Heads & Components, Cylinder Heads & Parts - M8, Engine

  $51.00

  SKU: KPM-20-21012H

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  Out Of Stock

  KPM Intake Valve. Fits Twin Cam 1999-2004. OEM Replacement

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $46.00

  SKU: KPM-20-20055

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  In Stock

  KPM Intake Valve. Fits Twin Cam 2005-2017. OEM Replacement

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $58.00

  SKU: KPM-20-20322

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  Out Of Stock

  KPM OEM Style Valve Guide Seals – Viton. Fits Big Twin 1984-2004, Sportster & Buell 1986-2003

  Cylinder Heads & Components, Cylinder Heads & Parts - Evo, Engine

  $12.00

  SKU: KPM-71010-4

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  Out Of Stock

  KPM Oversize Exhaust Valve Guide- Manganese. Fits Twin Cam 2005-17 & Sportster 2005-2021. +.001in. Outside Diameter

  Cylinder Heads & Components, Cylinder Heads & Parts - T/Cam, Engine

  $24.00

  SKU: KPM-20-20701M

Showing 69–136 of 205 results