Cylinder Heads
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Out of stock
Drag Specialties - 09500101 - Compression Release Cap - Chrome
Drag Specialties
$16.27Drag Specialties - 09500101 - Compression Release Cap - ChromeFeaturesChrome cap covers the plain plastic end on many aftermarket compression releasesBillet aluminum constructionInstall with silicone adhesive (not included)Sold in...$16.27 -
Out of stock
Tp Engineering - 45-4022-23 - Compression Release Brass with Brass Cap
Tp Engineering
$49.95Tp Engineering - 45-4022-23 - Compression Release Brass with Brass CapFeaturesManufactured from 303 stainless steelAvailable with billet aluminum cap, brass cap or threaded to accept any standard tire valve cap for a truly custom appearanceRequires a ...$49.95 -
Out of stock
Tp Engineering - 45-4021-21 - Custom Manual Compression Release with Threaded End for Valve Stem Cap
Tp Engineering
$34.95Tp Engineering - 45-4021-21 - Custom Manual Compression Release with Threaded End for Valve Stem CapFeaturesManufactured from 303 stainless steelAvailable with billet aluminum cap, brass cap or threaded to accept any standard tire valve cap for a truly...$34.95 -
Out of stock
Tp Engineering - 45-4020-21 - Manual Compression Release with Billet Cap
Tp Engineering
$34.95Tp Engineering - 45-4020-21 - Manual Compression Release with Billet CapFeaturesManufactured from 303 stainless steelAvailable with billet aluminum cap, brass cap or threaded to accept any standard tire valve cap for a truly custom appearanceRequires a ...$34.95 -
Out of stock
Kibblewhite - 20-4322C - Valve Guide - Intake/Exhaust - 0.5640" OD - Twin Cam '99-'04 | XL '86-'03
Kibblewhite
$8.83Kibblewhite - 20-4322C - Valve Guide - Intake/Exhaust - 0.5640" OD - Twin Cam '99-'04 | XL '86-'03FeaturesPrecision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialMade in the U.S.A.SpecsSize ImperialOversize...$8.83 -
Out of stock
Kibblewhite - 10-HC518 - Valve Seat
Kibblewhite
$14.47Kibblewhite - 10-HC518 - Valve SeatFeaturesCopper-based material designed specifically for use with titanium valves in high performance applicationsGive the seat excellent thermal characteristics as well as resistance to corrosion and wearThese seats are...$14.47 -
Out of stock
Kibblewhite - 10-HC510 - Valve Seat
Kibblewhite
$14.47Kibblewhite - 10-HC510 - Valve SeatFeaturesCopper-based material designed specifically for use with titanium valves in high performance applicationsGive the seat excellent thermal characteristics as well as resistance to corrosion and wearThese seats are...$14.47 -
Out of stock
Kibblewhite - 10-HC446 - Valve Seat
Kibblewhite
$14.47Kibblewhite - 10-HC446 - Valve SeatFeaturesCopper-based material designed specifically for use with titanium valves in high performance applicationsGive the seat excellent thermal characteristics as well as resistance to corrosion and wearThese seats are...$14.47 -
Out of stock
Kibblewhite - 10-HC445 - Valve Seat
Kibblewhite
$14.47Kibblewhite - 10-HC445 - Valve SeatFeaturesCopper-based material designed specifically for use with titanium valves in high performance applicationsGive the seat excellent thermal characteristics as well as resistance to corrosion and wearThese seats are...$14.47 -
Out of stock
Kibblewhite - 20-23600 - Valve Spring Kit - 0.675" Lift - 88"/96"/103" Twin Cam | Buell | XL | XR
Kibblewhite
$226.58Kibblewhite - 20-23600 - Valve Spring Kit - 0.675" Lift - 88"/96"/103" Twin Cam | Buell | XL | XRFeaturesDesigned for its specific application, taking into account several critical parameters including; cam profiles, harmonics, natural frequency of the...$226.58 -
Out of stock
Kibblewhite - 20-21012H - Valve - Intake - 1.571" - Standard - M8
Kibblewhite
$32.78Kibblewhite - 20-21012H - Valve - Intake - 1.571" - Standard - M8FeaturesDesigned using Finite Element Analysis (F.E.A.) software, and profiles are tested on a computerized flow benchA 360 anode is used to produce the highest possible grade of hard...$32.78 -
Out of stock
Kibblewhite - 20-21032 - Valve Guide -Exhaust - 0.4770" OD - M8
Kibblewhite
$26.89Kibblewhite - 20-21032 - Valve Guide -Exhaust - 0.4770" OD - M8FeaturesPrecision-machined from copper based C63000 nickel-aluminum bronzeCompatible with no-lead fuel and accept any type of valve-stem materialProvide maximum service with chromed valve...$26.89 -
Out of stock
Kibblewhite - 20-21000 - Beehive Spring Kit - 0.465" Lift - M8 | CVO
Kibblewhite
$313.38Kibblewhite - 20-21000 - Beehive Spring Kit - 0.465" Lift - M8 | CVOFeaturesProgressively wound springs using Kobe super-clean, chromium silicon(CrSi) based wire that is heat treated and shot peenedTight-tolerance, FEA-designed hardened steel Posi-Loc™...$313.38 -
Out of stock
Kibblewhite - 20-20871M - Valve Guide - 0.5635" OD - Exhaust - Twin Cam | XL
Kibblewhite
$15.10Kibblewhite - 20-20871M - Valve Guide - 0.5635" OD - Exhaust - Twin Cam | XLFeaturesCan be easily reamed with a battery-operated or electric drill and finished with a high-quality ball honeManganese bronze guide material is softer than nickel aluminum...$15.10 -
Out of stock
Kibblewhite - 20-20862M - Valve Guide - 0.5645" OD - Intake - Twin Cam | XL
Kibblewhite
$13.12Kibblewhite - 20-20862M - Valve Guide - 0.5645" OD - Intake - Twin Cam | XLFeaturesCan be easily reamed with a battery-operated or electric drill and finished with a high-quality ball honeManganese bronze guide material is softer than nickel aluminum...$13.12 -
Out of stock
Kibblewhite - 20-20861M - Valve Guide - 0.5635" OD - Intake - Twin Cam | XL
Kibblewhite
$15.10Kibblewhite - 20-20861M - Valve Guide - 0.5635" OD - Intake - Twin Cam | XLFeaturesCan be easily reamed with a battery-operated or electric drill and finished with a high-quality ball honeManganese bronze guide material is softer than nickel aluminum...$15.10 -
Out of stock
Kibblewhite - 20-20550 - Valve - Intake - 1.715" - Conversion - 883XL to 1200XL
Kibblewhite
$54.10Kibblewhite - 20-20550 - Valve - Intake - 1.715" - Conversion - 883XL to 1200XLFeaturesOne-piece stainless-steel, stellite-tipped valve is fortified by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and...$54.10 -
Out of stock
Kibblewhite - 20-2132M - Valve Guide - 0.5640" OD - Exhaust - Twin Cam | XL
Kibblewhite
$15.10Kibblewhite - 20-2132M - Valve Guide - 0.5640" OD - Exhaust - Twin Cam | XLFeaturesPrecision-machinedGuides can be easily reamed with a battery-operated or electric drill and finished with a high-quality ball honeShouldered for a positive stop for easy...$15.10 -
Out of stock
Kibblewhite - 20-23350 - Engine Valve Kit - 0.465" Lift - M8 '17-'24
Kibblewhite
$508.87Kibblewhite - 20-23350 - Engine Valve Kit - 0.465" Lift - M8 '17-'24 Features Kits include KPMI® or equivalent valve spring kit, a full set of Black Diamond™stainless steel standard size valves and are black nitride coated, H.T. (Heat...$508.87 -
Out of stock
Kibblewhite - 20-21600 - Valve Spring Kit - 0.675" Lift - Buell | Twin Cam | XL
Kibblewhite
$219.39Kibblewhite - 20-21600 - Valve Spring Kit - 0.675" Lift - Buell | Twin Cam | XLFeaturesDesigned for its specific application, taking into account several critical parameters including; cam profiles, harmonics, natural frequency of the springs, valvetrain...$219.39 -
Out of stock
Kibblewhite - 20-21031M - Valve Guide - Exhaust - 0.4760" OD - M8
Kibblewhite
$15.10Kibblewhite - 20-21031M - Valve Guide - Exhaust - 0.4760" OD - M8FeaturesPrecision-machinedGuides can be easily reamed with a battery-operated or electric drill and finished with a high-quality ball honeShouldered for a positive stop for easy...$15.10 -
Out of stock
Kibblewhite - 20-20960 - Valve - Exhaust - 1.700" - Twin Cam
Kibblewhite
$41.12Kibblewhite - 20-20960 - Valve - Exhaust - 1.700" - Twin CamFeaturesOne-piece stainless-steel, stellite-tipped valve is fortified by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce frictionThis...$41.12 -
Out of stock
Kibblewhite - 51029-8 - Valve Keys - 8 pairs
Kibblewhite
$66.61Kibblewhite - 51029-8 - Valve Keys - 8 pairsFeaturesMade of steelMade in the U.S.A.Replacement Part for OEM Number(s): 18100060SpecsApplicationIntakeApplicationExhaustRiding StyleStreetProduct NameKeyMaterialSteelTypeValveUnits16 PackFitment2017-2021...$66.61 -
Out of stock
Kibblewhite - 20-2132C - Valve Guide - Exhaust - 0.5640" OD - Twin Cam '99-'04 | XL '86-'03
Kibblewhite
$8.83Kibblewhite - 20-2132C - Valve Guide - Exhaust - 0.5640" OD - Twin Cam '99-'04 | XL '86-'03FeaturesPrecision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialAccept special valve guide seals (sold...$8.83 -
Out of stock
Kibblewhite - 20-2121C - Valve Guide - Intake - 0.5630" OD - Twin Cam '99-'04 | XL '86-'03
Kibblewhite
$8.83Kibblewhite - 20-2121C - Valve Guide - Intake - 0.5630" OD - Twin Cam '99-'04 | XL '86-'03FeaturesPrecision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialAccept special valve guide seals (sold...$8.83 -
Out of stock
Kibblewhite - 20-2131C - Valve Guide - Exhaust - 0.5630" OD - Twin Cam '99-'04 | XL '86-'03
Kibblewhite
$8.83Kibblewhite - 20-2131C - Valve Guide - Exhaust - 0.5630" OD - Twin Cam '99-'04 | XL '86-'03FeaturesPrecision-machined from cast ironCompatible with no-lead fuel and accept any type of valve-stem materialAccept special valve guide seals (sold...$8.83 -
Out of stock
Kibblewhite - 10-SC500 - Cast Iron Valve Seat - Intake - Evolution
Kibblewhite
$12.43Kibblewhite - 10-SC500 - Cast Iron Valve Seat - Intake - EvolutionFeaturesTests have proven that the machinability, wear and thermal conductivity surpasses all standardsCompatible with all fuel blendsMade in the U.S.A.SpecsInside Diameter Imperial1...$12.43 -
Out of stock
Kibblewhite - 20-4171R - Valve - Intake - 1.900" - Oversize Racing Profile - Evolution Big Twin
Kibblewhite
$29.81Kibblewhite - 20-4171R - Valve - Intake - 1.900" - Oversize Racing Profile - Evolution Big TwinFeaturesOne-piece stainless-steel, stellite-tipped valve is fortified by a special nitrided process with .002" depth and .0002" surface buildup to improve wear...$29.81 -
Out of stock
Kibblewhite - 20-20700 - Valve Guide - Exhaust - 0.5620" OD - 88"/96"/103" Twin Cam '05-'17 | XL '04-'22
Kibblewhite
$29.60Kibblewhite - 20-20700 - Valve Guide - Exhaust - 0.5620" OD - 88"/96"/103" Twin Cam '05-'17 | XL '04-'22FeaturesPrecision-machined from copper based C63000 nickel-aluminum bronzeCompatible with no-lead fuel and accept any type of valve-stem...$29.60 -
Out of stock
Kibblewhite - 51003-4 - Valve Keys - 4 pairs - Big Twin
Kibblewhite
$33.30Kibblewhite - 51003-4 - Valve Keys - 4 pairs - Big TwinFeaturesMade of steelMade in the U.S.A.SpecsRiding StyleStreetApplicationExhaustMaterialSteelProduct NameKeyTypeValveApplicationIntakeUnitsSet of 8Fitment1996-2003 Harley-Davidson 1200 Custom...$33.30 -
Out of stock
Jims - 1356 - Valve Spring Kit - Evolution - Big Twin
Jims
$112.95Jims - 1356 - Valve Spring Kit - Evolution - Big TwinFeaturesIncorporate an interference double-spring design with damper to control harmonicsEngineered for maximum performance in severe applications such as high compression and big-inch street motors0...$112.95 -
Out of stock
Jims - 1350K - Valve Spring Kit - Evolution - Big Twin
Jims
$215.95Jims - 1350K - Valve Spring Kit - Evolution - Big TwinFeaturesIncorporate an interference double-spring design with a damper to control harmonicsEngineered for maximum performance in severe applications such as high compression and big-inch street...$215.95 -
Out of stock
Gardner-Westcott - A-61-110 - Head Bolt Kit - Chrome
Gardner-Westcott
$128.95Gardner-Westcott - A-61-110 - Head Bolt Kit - ChromeFeaturesInclude four long and four short headboltsMade in the U.S.A.SpecsRiding StyleStreetFastener Type12-Point FlangeUnitsKitBase FinishChromeApplicationHead BoltBase ColorSilverProduct NameBolt...$128.95 -
Out of stock
Feuling Parts - 1215 - Valve Locks - 6.00 mm Triple Groove - M8
Fueling Parts
$59.95Feuling Parts - 1215 - Valve Locks - 6.00 mm Triple Groove - M8FeaturesStandard height stock replacement 6.00 mm valve stem triple groove keepersMade in the USAReplacement Part for OEM Number(s): 18100060SpecsStem Diameter Metric6.00...$59.95 -
Out of stock
Feuling Parts - 1221 - Valve Spring Retainer Kit - Titanium - Buell | Twin Cam | XL
Fueling Parts
$199.95Feuling Parts - 1221 - Valve Spring Retainer Kit - Titanium - Buell | Twin Cam | XLFeaturesAllows installation of Screamin Eagle performance Beehive valve-spring with 0.725" top ID onto the early style 5/16" valve stem cylinder headsCan be used on...$199.95 -
Out of stock
Cometic - C10167-045 - Cylinder Head Gasket - 4.145" - M8
Cometic
$61.90Cometic - C10167-045 - Cylinder Head Gasket - 4.145" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE...$61.90 -
Out of stock
Cometic - C10167-036 - Cylinder Head Gasket - 4.145" - M8
Cometic
$61.90Cometic - C10167-036 - Cylinder Head Gasket - 4.145" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE...$61.90 -
Out of stock
Cometic - C10167 - Cylinder Head Gasket - 4.145" - M8
Cometic
$61.90Cometic - C10167 - Cylinder Head Gasket - 4.145" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE...$61.90 -
Out of stock
Cometic - C10165 - Cylinder Head Gasket - 4.000" - M8
Cometic
$61.90Cometic - C10165 - Cylinder Head Gasket - 4.000" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE...$61.90 -
Out of stock
Cometic - C10164 - Cylinder Head Gasket - 3.937" - M8
Cometic
$61.90Cometic - C10164 - Cylinder Head Gasket - 3.937" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load across the gasket sealing surface utilizing LCE...$61.90
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.