Cylinder Heads
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Feuling Parts - 1110 - Retainer Kit - Titanium - -0.050" - M8
Feuling
MSRP: $229.95$219.95Feuling Parts - 1110 - Retainer Kit - Titanium - -0.050" - M8FeaturesTitanium Valve Spring Retainer Kit for M8 modelsMade in the USASpecsProduct NameRetainer KitMaterialTitaniumRiding StyleStreetUnits8 PackValve Seat Height Imperial- 0...MSRP: $229.95$219.95 -
Feuling Parts - 1212 - Valve Locks - Standard Replacement - Twin Cam
Feuling
$39.95Feuling Parts - 1212 - Valve Locks - Standard Replacement - Twin CamFeaturesRaises valve spring retainer to gain 0.050" installed height without maching the cylinder head spring setMade in the USAFeuling Racing & DevelopmentReplacement Part for OEM...$39.95 -
Feuling Parts - 1123 - Valve Spring Kit - Econo Beehive with TI Retainers - Twin Cam
Feuling
$309.95Feuling Parts - 1123 - Valve Spring Kit - Econo Beehive with TI Retainers - Twin CamFeaturesMade from premium stress-relieved conical ovate wireFeatures extremely high-level of fatigue lifeUses a much smaller and lighter weight retainer to reduce valve...$309.95 -
Feuling Parts - 1122 - Valve Spring Kit - Econo Beehive with TI Retainers - EVO | Twin Cam
Feuling
$309.95Feuling Parts - 1122 - Valve Spring Kit - Econo Beehive with TI Retainers - EVO | Twin CamFeaturesMade from premium stress-relieved conical ovate wireFeatures extremely high-level of fatigue lifeUses a much smaller and lighter weight retainer to reduce...$309.95 -
Feuling Parts - 1215 - Valve Locks - 6.00 mm Triple Groove - M8
Feuling
$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 -
Feuling Parts - 1108 - Valve Spring Kit - Endurance Beehive with TI Retainers - M8
Feuling
$609.95Feuling Parts - 1108 - Valve Spring Kit - Endurance Beehive with TI Retainers - M8 Features Made from premium stress-relieved conical ovate wire Features extremely high-level of fatigue life Uses a much smaller and lighter weight retainer to reduce...$609.95 -
Feuling Parts - 1121 - Valve Spring Kit - Econo Beehive with Steel Retainers - Twin Cam
Feuling
$229.95Feuling Parts - 1121 - Valve Spring Kit - Econo Beehive with Steel Retainers - Twin CamFeaturesMade from premium stress-relieved conical ovate wireFeatures extremely high-level of fatigue lifeUses a much smaller and lighter weight retainer to reduce...$229.95 -
Feuling Parts - 1120 - Valve Spring Kit - Econo Beehive with Steel Retainers - EVO | Twin Cam
Feuling
$229.95Feuling Parts - 1120 - Valve Spring Kit - Econo Beehive with Steel Retainers - EVO | Twin CamFeaturesMade from premium stress-relieved conical ovate wireFeatures extremely high-level of fatigue lifeUses a much smaller and lighter weight retainer to...$229.95 -
Feuling Parts - 1206 - Valve Locks - Offset 0.050" - Twin Cam
Feuling
$29.95Feuling Parts - 1206 - Valve Locks - Offset 0.050" - Twin CamFeaturesRaises valve spring retainer to gain 0.050" installed height without maching the cylinder head spring setMade in the USAFeuling Racing & DevelopmentSpecsMaterialSteelStem Diameter...$29.95 -
Feuling Parts - 1213 - Valve Locks - 7.00 mm Triple Groove - Twin Cam
Feuling
$29.95Feuling Parts - 1213 - Valve Locks - 7.00 mm Triple Groove - Twin CamFeaturesRaises valve spring retainer to gain 0.050" installed height without maching the cylinder head spring setMade in the USAFeuling Racing & DevelopmentReplacement Part for OEM...$29.95 -
Feuling Parts - 1105 - Beehive Valve Springs
Feuling
$379.95Feuling Parts - 1105 - Beehive Valve SpringsFeaturesMachined from premium-grade hi-tensile chrome silicon single-conical ovate wireShot-peened with specially processed thermal heat treat and super NexTex® finish for fatigue life needed to exceed high...$379.95 -
Feuling Parts - 1205 - Valve Spring Kit - High Load Beehive® with TI Retainers - Twin Cam | XL | XR
Feuling
$379.95Feuling Parts - 1205 - Valve Spring Kit - High Load Beehive® with TI Retainers - Twin Cam | XL | XRFeaturesMade from premium stress-relieved conical ovate wire with nitrided surface heat treatment, shot-peened surface enhancements and Nano Peen™...$379.95 -
Feuling Parts - 1200 - Valve Spring Kit - High Load Beehive® with TI Retainers - Evo/Twin Cam | XL | Buell
Feuling
$389.95Feuling Parts - 1200 - Valve Spring Kit - High Load Beehive® with TI Retainers - Evo/Twin Cam | XL | BuellFeaturesMade from premium stress-relieved conical ovate wire with nitrided surface heat treatment, shot-peened surface enhancements and Nano Peen™...$389.95 -
Feuling Parts - 1100 - Beehive Valve Springs
Feuling
$379.95Feuling Parts - 1100 - Beehive Valve SpringsFeaturesMachined from premium-grade hi-tensile chrome silicon single-conical ovate wireShot-peened with specially processed thermal heat treat and super NexTex® finish for fatigue life needed to exceed high...$379.95 -
Cometic - C10166-030 - Cylinder Head Gasket - 4.075" - M8
Cometic
$61.90Cometic - C10166-030 - Cylinder Head Gasket - 4.075" - 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 -
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 -
Cometic - C10165-030 - Cylinder Head Gasket - 4.000" - M8
Cometic
$61.90Cometic - C10165-030 - 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 -
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 -
Cometic - C10193 - Cylinder Head Gasket - 4.500"
Cometic
$61.90Cometic - C10193 - Cylinder Head Gasket - 4.500"FeaturesQuality 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 (Load...$61.90 -
Cometic - C10192 - Cylinder Head Gasket - 4.320" - M8
Cometic
$61.90Cometic - C10192 - Cylinder Head Gasket - 4.320" - 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 -
Cometic - C10182-030 - Cylinder Head Gasket - 4.320" - M8
Cometic
$61.90Cometic - C10182-030 - Cylinder Head Gasket - 4.320" - 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 -
Cometic - C10181-030 - Cylinder Head Gasket - 4.250" - M8
Cometic
$61.90Cometic - C10181-030 - Cylinder Head Gasket - 4.250" - 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 -
Cometic - C10181 - Cylinder Head Gasket - 4.250" - M8
Cometic
$61.90Cometic - C10181 - Cylinder Head Gasket - 4.250" - 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 -
Cometic - C10168-030 - Cylinder Head Gasket - 4.205" - M8
Cometic
$61.90Cometic - C10168-030 - Cylinder Head Gasket - 4.205" - 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 -
Cometic - C10168 - Cylinder Head Gasket - 4.205" - M8
Cometic
$61.90Cometic - C10168 - Cylinder Head Gasket - 4.205" - 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 -
Andrews - 294150 - High-Lift Springs
Andrews
$65.95Andrews - 294150 - High-Lift SpringsFeaturesAccommodates cam lifts of .550"+Installation does not require machining of headsKit includes four inner and four outer springsFor use with titanium upper-spring collarsCollars sold separatelyMade in the U.S.A...$65.95 -
Andrews - 273120 - Valve Spring Collars
Andrews
$51.95Andrews - 273120 - Valve Spring CollarsFeaturesSimilar to stock 80-style parts, but lower profile for easier installation of higher lift camsRequired parts if you use 80-style valve guides that utilize "K" line stem sealsHeat-treated steelFor 74" and 80"...$51.95 -
Andrews - 276150 - Medium-Lift Upper Spring Collar Set
Andrews
$74.95Andrews - 276150 - Medium-Lift Upper Spring Collar SetFeaturesIntended to work with stock springs and add approximately .060" spring travel with no other modifications on 66-84 74" and 80" motorsThe easy way to install B or #2 cams in stock headsMade in...$74.95 -
Andrews - 272110 - High-Lift Valve Springs
Andrews
$67.95Andrews - 272110 - High-Lift Valve SpringsFeaturesProvide correct spring force for any of our performance cams when used in 74" and 80" motorsMax lift; installation does not require complicated machining but does require proper valvetrain setupMade in...$67.95 -
Andrews - 271100 - High-Lift Upper Spring Collars
Andrews
$53.95Andrews - 271100 - High-Lift Upper Spring CollarsFeaturesCams with .600 lift can easily be accommodated when used with high-lift springsMade from T-6 aluminum, collars are lightweight, hard-coated and very strongFor 74" and 80" motorsMade in the U.S.A...$53.95 -
Andrews - 277160 - Low-Profile Lower Spring Collars - XL
Andrews
$37.95Andrews - 277160 - Low-Profile Lower Spring Collars - XLFeaturesSimilar to the late H-D collarsWill provide .060" more spring travel than stock collarsMade in the U.S.A.SpecsProduct NameLower Spring CollarStyleLow-ProfileUnitsSet of 4Riding...$37.95 -
Jims - 937 7mm Valve Guide Remover fits '05-'17 Twin Cam, '04-'20 Sportster & '04-'09 Buell Models (Except 1125R)
Jims
$97.25Jims - 937 7mm Valve Guide Remover fits '05-'17 Twin Cam, '04-'20 Sportster & '04-'09 Buell Models (Except 1125R) Features: Available from JIMS to allow the proper removal or installation of shoulderless valve guides as well as valve seals Made...$97.25 -
Jims - 938 7mm Valve Guide Installer fits '05-'17 Twin Cam, '04-'20 Sportster & '04-'09 Buell Models (Except 1125CR)
Jims
$65.05Jims - 938 7mm Valve Guide Installer fits '05-'17 Twin Cam, '04-'20 Sportster & '04-'09 Buell Models (Except 1125CR) Features: Available from JIMS to allow the proper removal or installation of shoulderless valve guides as well as valve...$65.05 -
Jims - 5808 Valve Spring Compression Collar Tool fits '17-'21 M-Eight Models
Jims
MSRP: $86.95$86.80Jims - 5808 Valve Spring Compression Collar Tool fits '17-'21 M-Eight Models Features: Valve spring collar allows existing compressor to remove smaller valves on M8 engines For use with JIMS® Valve Spring Compressor Tool (PART# DS-196013) Made...MSRP: $86.95$86.80 -
Jims - 5828 Cylinder Head Holder Tool fits '17-'22 M-Eight & All Twin Cam Models
Jims
MSRP: $89.95$89.75Jims - 5828 Cylinder Head Holder Tool fits '17-'22 M-Eight & All Twin Cam Models Features: Allows you to easily position head for all types of work Use to hold head in vice through spark plug hole For use with Milwaukee Eight engine series Has...MSRP: $89.95$89.75 -
Jims - 5835 Valve Spring Compressor Tool fits '17-'21 M-Eight Models
Jims
MSRP: $322.95$309.35Jims - 5835 Valve Spring Compressor Tool fits '17-'21 M-Eight Models Features: Once the cylinder is filled with compressed air, the technician can easily rotate the tool and compress the top collar of the valve spring exposing the keepers to remove...MSRP: $322.95$309.35 -
Jims - 1169 Compression Release Valve Installation Kit fits Twin Cam Models
Jims
$599.15Jims - 1169 Compression Release Valve Installation Kit fits Twin Cam Models Features: Installation kit includes fixture, drill bit, spot face bit and thread-tapping tool Simply drill, spot face, tap and install compression release valves Works on...$599.15 -
Jims - 2392 Head Bolt Torque Gauge fits all Twin Cam & Evolution Engines Models
Jims
MSRP: $28.95$28.60Jims - 2392 Head Bolt Torque Gauge fits all Twin Cam & Evolution Engines Models Features: This accurate gauge allows the measuring of 90° when tightening head bolts Torquing sequence laser engraved on gauge, with instructions Works on all...MSRP: $28.95$28.60 -
S&S Cycle - Compression Release Hole Plug
S&S Cycle
$24.95S&S Cycle - Compression Release Hole Plug Features: Not for use on OEM heads Made in the U.S.A. Fitment 2016-2017 Harley-Davidson Fat Boy S FLSTFBS - - 2016-2017 Harley-Davidson Softail Slim S...$24.95 -
S&S Cycle - Valve Spring Kit fits '48-'84 Big Twin Models
S&S Cycle
$248.95S&S Cycle - Valve Spring Kit fits '48-'84 Big Twin Models Features: To be used with cams with up to .550" lift Includes springs and aluminum top retainers 140-lb. seat pressure Must allow additional rocker clearance for 48-65 Panheads Made in...$248.95
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.