Cylinder Heads
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Kpmi - 20-2026 - Guide Intake +0.006 Bronze Hd Pan 48-65 & Shovel 66-77
KPMI
$34.40Kpmi - 20-2026 - Guide Intake +0.006 Bronze Hd Pan 48-65 & Shovel 66-77$34.40 -
Kpmi - 20-2026C - Guide Intake +0.006 Cast Iron Hd Pan 48-65 & Shovel 66-77
KPMI
$8.95Kpmi - 20-2026C - Guide Intake +0.006 Cast Iron Hd Pan 48-65 & Shovel 66-77$8.95 -
Kpmi - 20-2052C - Guide Intake +0.002 Cast Iron Hd Shovelhead 78-83
KPMI
$8.99Kpmi - 20-2052C - Guide Intake +0.002 Cast Iron Hd Shovelhead 78-83FeaturesFitment1983Harley DavidsonFLHTC Electra Glide Classic1982-1983Harley DavidsonFXR Super Glide1980-1982Harley DavidsonFXB Sturgis1980-1983Harley DavidsonFXE Super...$8.99 -
Kpmi - 20-2054C - Guide Intake +0.004 Cast Iron Hd Shovelhead 78-83
KPMI
$8.95Kpmi - 20-2054C - Guide Intake +0.004 Cast Iron Hd Shovelhead 78-83FeaturesFitment1983Harley DavidsonFLHTC Electra Glide Classic1982-1983Harley DavidsonFXR Super Glide1980-1982Harley DavidsonFXB Sturgis1980-1983Harley DavidsonFXE Super...$8.95 -
Kpmi - 20-2056C - Guide Intake +0.006 Cast Iron Hd Shovelhead 78-83
KPMI
$8.95Kpmi - 20-2056C - Guide Intake +0.006 Cast Iron Hd Shovelhead 78-83FeaturesFitment1983Harley DavidsonFLHTC Electra Glide Classic1982-1983Harley DavidsonFXR Super Glide1980-1982Harley DavidsonFXB Sturgis1980-1983Harley DavidsonFXE Super...$8.95 -
Kpmi - 20-20692 - Guide In+.002 Bronze Hd Twin Cam 88"-103" 05-13
KPMI
$29.60Kpmi - 20-20692 - Guide In+.002 Bronze Hd Twin Cam 88"-103" 05-13FeaturesFitment2014-2017Harley DavidsonXL1200T Super Low Touring2015-2016Harley DavidsonFLRT Freewheeler2015-2016Harley DavidsonFLHTCUL Electra Glide Ultra Classic Low2015-2016Harley...$29.60 -
Kpmi - 20-2121 - Guide Intake +0.001 Bronze Hd Evo 84-99 Sportster 86-03
KPMI
$31.71Kpmi - 20-2121 - Guide Intake +0.001 Bronze Hd Evo 84-99 Sportster 86-03FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley DavidsonFLHTC Electra Glide Classic1989-2004Harley DavidsonFLHTCU Electra Glide Ultra Classic1986-1994Harley...$31.71 -
Kpmi - 20-2121C - Guide Intake +0.001 Cast Iron Hd Evo 84-99 Sportster 86-03
KPMI
$8.95Kpmi - 20-2121C - Guide Intake +0.001 Cast Iron Hd Evo 84-99 Sportster 86-03FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley DavidsonFLHTC Electra Glide Classic1989-2004Harley DavidsonFLHTCU Electra Glide Ultra Classic1986-1994Harley...$8.95 -
Kpmi - 20-2122 - Guide Intake +0.002 Bronze Hd Evo 84-99 Sportster 86-03
KPMI
$31.71Kpmi - 20-2122 - Guide Intake +0.002 Bronze Hd Evo 84-99 Sportster 86-03FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley DavidsonFLHTC Electra Glide Classic1989-2004Harley DavidsonFLHTCU Electra Glide Ultra Classic1986-1994Harley...$31.71 -
Kpmi - 20-2122C - Guide Intake +0.002 Cast Iron Hd Evo 84-99 Sportster 86-03
KPMI
$8.95Kpmi - 20-2122C - Guide Intake +0.002 Cast Iron Hd Evo 84-99 Sportster 86-03FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley DavidsonFLHTC Electra Glide Classic1989-2004Harley DavidsonFLHTCU Electra Glide Ultra Classic1986-1994Harley...$8.95 -
Kpmi - 20-2123 - Guide Intake +0.003 Bronze Hd Evo 84-99 Sportster 86-03
KPMI
$31.71Kpmi - 20-2123 - Guide Intake +0.003 Bronze Hd Evo 84-99 Sportster 86-03FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley DavidsonFLHTC Electra Glide Classic1989-2004Harley DavidsonFLHTCU Electra Glide Ultra Classic1986-1994Harley...$31.71 -
Kpmi - 20-2124C - Guide Intake +0.004 Cast Iron Hd Evo 84-99 Sportster 86-03
KPMI
$8.95Kpmi - 20-2124C - Guide Intake +0.004 Cast Iron Hd Evo 84-99 Sportster 86-03FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley DavidsonFLHTC Electra Glide Classic1989-2004Harley DavidsonFLHTCU Electra Glide Ultra Classic1986-1994Harley...$8.95 -
Kpmi - 20-20699C - Guide Intake +0.010 Cast Iron Hd Twin Cam 88-103" 05-10
KPMI
$11.95Kpmi - 20-20699C - Guide Intake +0.010 Cast Iron Hd Twin Cam 88-103" 05-10FeaturesFitment2014-2017Harley DavidsonXL1200T Super Low Touring2015-2016Harley DavidsonFLRT Freewheeler2015-2016Harley DavidsonFLHTCUL Electra Glide Ultra Classic...$11.95 -
Kpmi - 20-20709 - Guide Ex +0.010 Bronze Hd Twin Cam 88-103" 05-10
KPMI
$29.60Kpmi - 20-20709 - Guide Ex +0.010 Bronze Hd Twin Cam 88-103" 05-10FeaturesFitment2014Harley DavidsonXL1200T Super Low Touring2015-2016Harley DavidsonFLRT Freewheeler2015-2016Harley DavidsonFLHTCUL Electra Glide Ultra Classic Low2015-2016Harley...$29.60 -
Kpmi - 20-20709C - Guide Ex +0.010 Cast Iron Hd Twin Cam 88-103" 05-10
KPMI
$11.95Kpmi - 20-20709C - Guide Ex +0.010 Cast Iron Hd Twin Cam 88-103" 05-10FeaturesFitment2014Harley DavidsonXL1200T Super Low Touring2015-2016Harley DavidsonFLRT Freewheeler2015-2016Harley DavidsonFLHTCUL Electra Glide Ultra Classic Low2015-2016Harley...$11.95 -
Kpmi - 20-4329 - Guide In / Ex +0.010 Bronze Hd Evo 84-99
KPMI
$37.93Kpmi - 20-4329 - Guide In / Ex +0.010 Bronze Hd Evo 84-99FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley DavidsonFLHTC Electra Glide Classic1989-2004Harley DavidsonFLHTCU Electra Glide Ultra Classic1986-1994Harley DavidsonFXR Super...$37.93 -
Kpmi - 20-4329C - Guide In / Ex +0.010 Cast Iron Hd Evo 84-99
KPMI
$8.95Kpmi - 20-4329C - Guide In / Ex +0.010 Cast Iron Hd Evo 84-99FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley DavidsonFLHTC Electra Glide Classic1989-2004Harley DavidsonFLHTCU Electra Glide Ultra Classic1986-1994Harley DavidsonFXR...$8.95 -
Kpmi - 10-SC446 - Exhaust Valve Seat Powd Metal 44.6Mm Evo Big Twin 84-99/Xl
KPMI
$10.95Kpmi - 10-SC446 - Exhaust Valve Seat Powd Metal 44.6Mm Evo Big Twin 84-99/XlFeaturesKibblewhite's proprietary seat material is compatible with leaded and unleaded fuels including methanol and ethanol fuel blends. This material offers excellent thermal...$10.95 -
Colony Machine - 2012-8 - Headbolt Kit Chrome Bt 92-16 And Xl 93-Up
Colony Machine
$128.95Colony Machine - 2012-8 - Headbolt Kit Chrome Bt 92-16 And Xl 93-UpFeaturesAdd a custom look to your bikeMade in the USA!Fitment2014-2017Harley DavidsonXL1200T Super Low Touring2016-2019Harley DavidsonXL1200CX Roadster2009-2019Harley DavidsonXL883N Iron...$128.95 -
Kpmi - 20-21012H - White Diamond Intake Valve M8 1.571 Std
KPMI
$30.95Kpmi - 20-21012H - White Diamond Intake Valve M8 1.571 StdFeaturesFitment2017-2019Harley DavidsonFLRT Freewheeler2017-2019Harley DavidsonFLHTKL Electra Glide Ultra Limited Low2017-2019Harley DavidsonFLTRXS Road Glide Special2017-2019Harley DavidsonFLHR...$30.95 -
Kpmi - 20-21009H - White Diamond Intake Valve M8 1.630 Os
KPMI
$30.95Kpmi - 20-21009H - White Diamond Intake Valve M8 1.630 OsFeaturesFitment2017-2019Harley DavidsonFLRT Freewheeler2017-2019Harley DavidsonFLHTKL Electra Glide Ultra Limited Low2017-2019Harley DavidsonFLTRXS Road Glide Special2017-2019Harley DavidsonFLHR...$30.95 -
Kpmi - 20-21018K - White Diamond Exhaust Valve M8 1.284 Os Inconnel
KPMI
$37.55Kpmi - 20-21018K - White Diamond Exhaust Valve M8 1.284 Os InconnelFeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process...$37.55 -
Kpmi - 20-21020 - Guide Intake Std Bronze M8 `17-24 Non Vvt
KPMI
$26.89Kpmi - 20-21020 - Guide Intake Std Bronze M8 `17-24 Non VvtFeaturesFitment2017-2019Harley DavidsonFLRT Freewheeler2017-2019Harley DavidsonFLHTKL Electra Glide Ultra Limited Low2017-2025Harley DavidsonFLTRXS Road Glide Special2017-2022Harley DavidsonFLHR...$26.89 -
Kpmi - 20-21021 - Guide Intake 0.001 Bronze M8
KPMI
$26.89Kpmi - 20-21021 - Guide Intake 0.001 Bronze M8FeaturesFitment2017-2019Harley DavidsonFLRT Freewheeler2017-2019Harley DavidsonFLHTKL Electra Glide Ultra Limited Low2017-2019Harley DavidsonFLTRXS Road Glide Special2017-2019Harley DavidsonFLHR Road...$26.89 -
Kpmi - 20-21022 - Guide Intake 0.002 Bronze M8
KPMI
$26.89Kpmi - 20-21022 - Guide Intake 0.002 Bronze M8FeaturesFitment2017-2019Harley DavidsonFLRT Freewheeler2017-2019Harley DavidsonFLHTKL Electra Glide Ultra Limited Low2017-2019Harley DavidsonFLTRXS Road Glide Special2017-2019Harley DavidsonFLHR Road...$26.89 -
Kpmi - 20-21029 - Guide Intake 0.010 Bronze M8
KPMI
$26.89Kpmi - 20-21029 - Guide Intake 0.010 Bronze M8FeaturesFitment2017-2019Harley DavidsonFLRT Freewheeler2017-2019Harley DavidsonFLHTKL Electra Glide Ultra Limited Low2017-2019Harley DavidsonFLTRXS Road Glide Special2017-2019Harley DavidsonFLHR Road...$26.89 -
Kpmi - 20-21030 - Guide Exhaust Std Bronze M8
KPMI
$26.89Kpmi - 20-21030 - Guide Exhaust Std Bronze M8FeaturesFitment2017-2019Harley DavidsonFLRT Freewheeler2017-2019Harley DavidsonFLHTKL Electra Glide Ultra Limited Low2017-2025Harley DavidsonFLTRXS Road Glide Special2017-2022Harley DavidsonFLHR Road...$26.89 -
Kpmi - 20-21031 - Guide Exhaust 0.001 Bronze M8
KPMI
$26.89Kpmi - 20-21031 - Guide Exhaust 0.001 Bronze M8FeaturesFitment2017-2019Harley DavidsonFLRT Freewheeler2017-2019Harley DavidsonFLHTKL Electra Glide Ultra Limited Low2017-2019Harley DavidsonFLTRXS Road Glide Special2017-2019Harley DavidsonFLHR Road...$26.89 -
Kpmi - 51016-4 - Valve Keepers Set Of Four Twin Cam 05-17 W/7Mm Stem
KPMI
$6.95Kpmi - 51016-4 - Valve Keepers Set Of Four Twin Cam 05-17 W/7Mm StemFeaturesOEM Style valve keepersFitment2014-2017Harley DavidsonXL1200T Super Low Touring2015-2016Harley DavidsonFLRT Freewheeler2015-2016Harley DavidsonFLHTCUL Electra Glide Ultra Classic...$6.95 -
Kpmi - 20-21300 - Sprng Kit .610 Lift Evo 84-99 Tc '99-04 5/16 Stem Valves
KPMI
$184.99Kpmi - 20-21300 - Sprng Kit .610 Lift Evo 84-99 Tc '99-04 5/16 Stem ValvesFeaturesWound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure maximum performance and life...$184.99 -
Kpmi - 20-21400 - Spring Kit .610 Lift Hd Tc
KPMI
$184.99Kpmi - 20-21400 - Spring Kit .610 Lift Hd TcFeaturesWound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved and shot peened to insure maximum performance and life. Springs are engineered for each...$184.99 -
Kpmi - 20-21017H - White Diamond Exhaust Valve M8 1.284 Os
KPMI
$30.95Kpmi - 20-21017H - White Diamond Exhaust Valve M8 1.284 OsFeaturesFitment2018-2020Harley DavidsonFLHR Road King2018-2020Harley DavidsonFLHRXS Road King Special2018-2020Harley DavidsonFLHX Street Glide2018-2020Harley DavidsonFLHXS Street Glide...$30.95 -
Kpmi - 20-20915 - Black Diamond O/S Int. Valve Evo/Twin Cam `84-04
KPMI
$41.95Kpmi - 20-20915 - Black Diamond O/S Int. Valve Evo/Twin Cam `84-04FeaturesFitment1994-2004Harley DavidsonFLHR Road King1984-2004Harley DavidsonFLHTC Electra Glide Classic1989-2004Harley DavidsonFLHTCU Electra Glide Ultra Classic2002-2003Harley...$41.95 -
Kpmi - 20-20920 - Black Diamond O/S Ex. Valve Evo/Twin Cam `84-04
KPMI
$41.95Kpmi - 20-20920 - Black Diamond O/S Ex. Valve Evo/Twin Cam `84-04FeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process...$41.95 -
Kpmi - 20-20930 - Black Diamond O/S Ex. Valve Evo/Twin Cam `84-04
KPMI
$41.95Kpmi - 20-20930 - Black Diamond O/S Ex. Valve Evo/Twin Cam `84-04FeaturesAll KPMI Black Diamond® stainless steel valves are impregnated by a special German process to a depth of .002”, with a surface build up of .0002”. This “Black Diamond®” process...$41.95 -
Kpmi - 20-21061H - White Diamond Int. Valve 1.630 O/S M8 `17-24 Non Vvt
KPMI
$31.95Kpmi - 20-21061H - White Diamond Int. Valve 1.630 O/S M8 `17-24 Non VvtFeaturesFitment2017-2019Harley DavidsonFLHTKL Electra Glide Ultra Limited Low2017-2023Harley DavidsonFLTRXS Road Glide Special2017-2022Harley DavidsonFLHR Road King2017-2019Harley...$31.95 -
Kpmi - 20-21215 - Beehive Valve Spring Kit .550 Lift M8`17-24 Non Vvt
KPMI
$332.95Kpmi - 20-21215 - Beehive Valve Spring Kit .550 Lift M8`17-24 Non Vvt$332.95 -
Kpmi - 20-24400 - Beehive Valve Spring Kit .640 Lift M8`17-24 Non Vvt
KPMI
$539.84Kpmi - 20-24400 - Beehive Valve Spring Kit .640 Lift M8`17-24 Non Vvt$539.84 -
Kpmi - 20-2053C - Guide Intake +0.003 Cast Iron Shovelhead `78-83
KPMI
$8.99Kpmi - 20-2053C - Guide Intake +0.003 Cast Iron Shovelhead `78-83$8.99 -
Kpmi - 20-2063C - Guide Exhaust +0.003 Cast Iron Shovelhead `78-83
KPMI
$8.99Kpmi - 20-2063C - Guide Exhaust +0.003 Cast Iron Shovelhead `78-83$8.99
Harley Cylinder Heads
Harley cylinder heads are key to unlocking better combustion, more horsepower, and crisper throttle response. Whether you're rebuilding a vintage ride or dialing in your current setup, the right heads can completely transform your V-twin—bringing out that iconic Harley sound and strong, reliable torque.
At Deadbeat Customs, we carry Harley cylinder heads from top brands like S&S. These heads are made from premium aluminum and feature CNC-machined combustion chambers, multi-angle valve seats, and high-performance valve springs. Upgrade your motor with Harley cylinder heads that run cooler, last longer, and hit harder. Check out the collection and take your build to the next level.