Cylinder Heads
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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 - C10167-030 - Cylinder Head Gasket - 4.145" - M8
Cometic
$61.90Cometic - C10167-030 - 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 -
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 - C10166 - Cylinder Head Gasket - 4.095" - M8
Cometic
$61.90Cometic - C10166 - Cylinder Head Gasket - 4.095" - 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 - C10164-030 - Cylinder Head Gasket - 3.937" - M8
Cometic
$61.90Cometic - C10164-030 - 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 - 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 - C10182 - Cylinder Head Gasket - 4.320" - M8
Cometic
$61.90Cometic - C10182 - 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 - 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 -
Andrews - 293115 - Valve Spring Collars - Big Twin
Andrews
$89.95Andrews - 293115 - Valve Spring Collars - Big TwinFeaturesProvide .050" more spring travel than stockStronger and lighter than stockUse stock keepersMade in the U.S.A.SpecsRiding StyleStreetUnits4 PackProduct NameSpring...$89.95 -
Jims - 937 7mm Valve Guide Remover fits '05-'17 Twin Cam, '04-'20 Sportster & '04-'09 Buell Models (Except 1125R)
Jims
$96.95Jims - 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...$96.95 -
Jims - 938 7mm Valve Guide Installer fits '05-'17 Twin Cam, '04-'20 Sportster & '04-'09 Buell Models (Except 1125CR)
Jims
$64.95Jims - 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...$64.95 -
Jims - 5808 Valve Spring Compression Collar Tool fits '17-'21 M-Eight Models
Jims
$86.95Jims - 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...$86.95 -
Jims - 5828 Cylinder Head Holder Tool fits '17-'22 M-Eight & All Twin Cam Models
Jims
$89.95Jims - 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...$89.95 -
Jims - 2392 Head Bolt Torque Gauge fits all Twin Cam & Evolution Engines Models
Jims
$28.95Jims - 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...$28.95 -
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 -
Colony - 9211-16 Chrome Headbolt Kit fits '73-'85 Sportster Models
Colony Machine
MSRP: $65.92$64.07Colony - 9211-16 Chrome Headbolt Kit fits '73-'85 Sportster Models Chrome headbolt kit. Fitment: XL 1973-1985 Measurements: End to End: 3-7/8"MSRP: $65.92$64.07 -
Colony - 9641-16 Cadmium Headbolt Kit fits '52-'56 K Model
Colony Machine
MSRP: $111.38$104.98Colony - 9641-16 Cadmium Headbolt Kit fits '52-'56 K Model Cadmium headbolt kit without washers Fitment: K 1952-1956MSRP: $111.38$104.98 -
Colony - 9643-16 Cadmium Headbolt Kit fits '54-'56 K Model
Colony Machine
MSRP: $111.38$104.98Colony - 9643-16 Cadmium Headbolt Kit fits '54-'56 K Model Cadmium headbolt kit without washers. Fitment: K 1954-1956MSRP: $111.38$104.98 -
Colony - 9649-5 Speedometer Cable Clamp fits '39-'48 UL Model (OEM #67086-39)
Colony Machine
MSRP: $20.80$17.68Colony - 9649-5 Speedometer Cable Clamp fits '39-'48 UL Model (OEM #67086-39) Speedometer Cable Clamp Fitment: UL 1939-1948MSRP: $20.80$17.68 -
Colony - 9650-1 Speedometer Cable Clamp fits '52-'56 FL Model (OEM #67075-52)
Colony Machine
MSRP: $16.98$15.28Colony - 9650-1 Speedometer Cable Clamp fits '52-'56 FL Model (OEM #67075-52) Speedometer Cable Clamp Fitment: FL 1952-1956MSRP: $16.98$15.28 -
Colony - 12-1804 45" Head Stud Washer Set fits '29-'35 DL Model (OEM #6395)
Colony Machine
MSRP: $36.96$32.93Colony - 12-1804 45" Head Stud Washer Set fits '29-'35 DL Model (OEM #6395) 45" head stud washer set measures 3/8" x 13/16" x 1/16". Sold as a 14 piece set Fitment: DL 1929-1935MSRP: $36.96$32.93 -
Colony - 3515-4 Cylinder Head Bolt Spacers fits '52-'53 K Model (OEM #6860-52)
Colony Machine
$50.73Colony - 3515-4 Cylinder Head Bolt Spacers fits '52-'53 K Model (OEM #6860-52) Cadmium plated cylinder head bolt machined spacers fit between cylinder heads and motor mount. Sold as a 4 piece set Fitment: K 1952-1953 Measurements: Height:...$50.73 -
Colony - 3516-4 Cylinder Head Bolt Spacers fits '54-'56 KH Model (OEM #16860-54)
Colony Machine
MSRP: $39.02$34.76Colony - 3516-4 Cylinder Head Bolt Spacers fits '54-'56 KH Model (OEM #16860-54) Cadmium plated cylinder head bolt machined spacers fit between cylinder heads and motor mount. Sold as a set of 4 Fitment: KH 1954-1956 Measurements: Height:...MSRP: $39.02$34.76 -
Colony - 9704-10 Parkerized Cylinder Headbolt Washer Set fits '71-'84 FX, '48-'84 FL Models
Colony Machine
MSRP: $22.60$19.21Colony - 9704-10 Parkerized Cylinder Headbolt Washer Set fits '71-'84 FX, '48-'84 FL Models Cylinder headbolt washer set with a parkerized finish Fitment: FX 1971-1984 FL 1948-1984MSRP: $22.60$19.21 -
Colony - 9705-18-45 Parkerized Headbolt Kit fits '29-'52 WL, '29-'73 G Models
Colony Machine
MSRP: $94.95$89.49Colony - 9705-18-45 Parkerized Headbolt Kit fits '29-'52 WL, '29-'73 G Models Parkerized headbolt kit with aluminum heads. Order washers separately Fitment: WL 1929-1952 G 1929-1973MSRP: $94.95$89.49 -
Colony - 9748-16 Allen Type Headbolt Kit fits '73-'85 Sportster Models
Colony Machine
MSRP: $58.35$56.71Colony - 9748-16 Allen Type Headbolt Kit fits '73-'85 Sportster Models Allen type headbolt kit. Fitment: XL 1973-1985MSRP: $58.35$56.71 -
Colony - 9759-4 Allen Type Tappet Block Screw Kit fits '91-'94 Sportster Models
Colony Machine
MSRP: $13.86$12.47Colony - 9759-4 Allen Type Tappet Block Screw Kit fits '91-'94 Sportster Models Tappet block allen type screw kit. Fitment: XL 1991-1994MSRP: $13.86$12.47 -
Colony - 9761-4 Kick Starter Trip Bolt and Nut Kit fits '41-'52 WL, '41-'63 G Models (OEM #33456-26)
Colony Machine
MSRP: $30.85$28.84Colony - 9761-4 Kick Starter Trip Bolt and Nut Kit fits '41-'52 WL, '41-'63 G Models (OEM #33456-26) Trip bolt and nut kit for kick starter on side valve models Fitment: WL 1941-1952 G 1941-1963 Measurements: Length: 1-1/16" Thread: 1/4"-24MSRP: $30.85$28.84
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.