Engine
- Product
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Out of stock
Cometic - C9761 - Top End Gasket Kit - XL1100 - EST
Cometic
$142.75Cometic - C9761 - Top End Gasket Kit - XL1100 - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$142.75 -
Out of stock
Cometic - C9753 - Rocker Gasket - EST - Big Twin
Cometic
$65.05Cometic - C9753 - Rocker Gasket - EST - Big TwinFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt...$65.05 -
Out of stock
Cometic - C9066 - Rocker Box Gasket - SLS - XL
Cometic
$47.20Cometic - C9066 - Rocker Box Gasket - SLS - XLFeaturesPremium materials used for specific applications to provide a long, service free lifeKits include all gaskets, seals, O-rings and quality bolt...$47.20 -
Out of stock
Cometic - C9760 - Top End Gasket Kit - XL883 - EST
Cometic
$142.75Cometic - C9760 - Top End Gasket Kit - XL883 - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary...$142.75 -
Out of stock
Cometic - C9553 - Cylinder Base Gasket - .020" - XL
Cometic
$33.55Cometic - C9553 - Cylinder Base Gasket - .020" - XLFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...$33.55 -
Out of stock
Comp Cams - EVL-3030 - V-Thunder Cam
Comp Cams
MSRP: $314.95$309.95Comp Cams - EVL-3030 - V-Thunder CamFeaturesProvide the ultimate in arm-stretching power on the street or in competitionPower proven and backed by hundreds of exhaustive hours on V-Thunder's dyno and...MSRP: $314.95$309.95 -
Out of stock
Comp Cams - EVL-3010 - V-Thunder Cam
Comp Cams
$314.95Comp Cams - EVL-3010 - V-Thunder CamFeaturesProvide the ultimate in arm-stretching power on the street or in competitionPower proven and backed by hundreds of exhaustive hours on V-Thunder's dyno and...$314.95 -
Out of stock
Comp Cams - 7002R-KIT - Fast Times Push Rods
Comp Cams
$229.95Comp Cams - 7002R-KIT - Fast Times Push RodsFeaturesSpecial adjustment system allows installation without removing the rocker boxesMade from 4130 chromoly steel tubing with a .049" wall thicknessThe...$229.95 -
Out of stock
Cometic - C9688 - Head Gasket - Standard - 3.500" x .030" - '84-'99 EVO/'88-'22 XL 1200
Cometic
$61.90Cometic - C9688 - Head Gasket - Standard - 3.500" x .030" - '84-'99 EVO/'88-'22 XL 1200FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that...$61.90 -
Out of stock
Cometic - C9747 - Top End Gasket - Big Twin - EST
Cometic
$142.75Cometic - C9747 - Top End Gasket - Big Twin - ESTFeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$142.75 -
Out of stock
Ciro - 70024 - Caps - Engine/Bolt/Cover - Fluted/Spike - Black - M8
Ciro
$69.99Ciro - 70024 - Caps - Engine/Bolt/Cover - Fluted/Spike - Black - M8FeaturesMade from strong ABS composite that is designed to handle the engine heat and to be removed and reinstalled when...$69.99 -
Out of stock
Covingtons - C1282-C - Rocker Box Valve Covers - Finned Chrome - Twin Cam
Covington's Customs
$1,140.95Covingtons - C1282-C - Rocker Box Valve Covers - Finned Chrome - Twin CamFeaturesCNC-machined billet aluminum constructionMeasure approximately 2-3/4" tallSold in pairsMade in the USASpecs$1,140.95 -
Out of stock
Cometic - C9586-M8 - Pushrod O-Ring with Tappet Gaskets - M8
Cometic
$15.70Cometic - C9586-M8 - Pushrod O-Ring with Tappet Gaskets - M8 Features Viton® rubber O-ring seals Include proper quantity for one engine Made in the U.S.A. Specs$15.70 -
Out of stock
Cometic - C9215 - Main Drive Gear Seal - Big Twin/M8
Cometic
$14.65Cometic - C9215 - Main Drive Gear Seal - Big Twin/M8FeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become...$14.65 -
Out of stock
Cometic - C9224 - Outer Rocker O-Ring
Cometic
$14.65Cometic - C9224 - Outer Rocker O-RingFeaturesManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade in the U.S.A.Specs$14.65 -
Out of stock
Covingtons - C1286-B - Valve Cover - Smooth - Black - M8
Covington's Customs
$1,514.95Covingtons - C1286-B - Valve Cover - Smooth - Black - M8FeaturesCNC machined billet aluminumValve Cover for M8 enginesMade in the USASpecs$1,514.95 -
Out of stock
Covingtons - C1296-C - Cam Cover - Smooth Chrome - Twin Cam
Covington's Customs
$634.95Covingtons - C1296-C - Cam Cover - Smooth Chrome - Twin CamFeaturesCNC-machined billet aluminum constructionHardware includedMade in the USASpecs$634.95 -
Out of stock
Cometic - C9262 - Main Shaft Seal - EVO
Cometic
$10.95Cometic - C9262 - Main Shaft Seal - EVO Features High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not creep, crack or become...$10.95 -
Out of stock
Cometic - C10363 - Crankcase Gasket - 0.012"
Cometic
$48.25Cometic - C10363 - Crankcase Gasket - 0.012"FeaturesHigh-quality products for long term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or become brittleMade...$48.25 -
Out of stock
Cometic - C10359 - Rocker Box Rebuild Gasket 88"/96"/103" with O-Rings and Tappet Gaskets - Twin Cam
Cometic
$61.90Cometic - C10359 - Rocker Box Rebuild Gasket 88"/96"/103" with O-Rings and Tappet Gaskets - Twin CamFeaturesPremium materials used for specific applications to provide a long, service free lifeKit...$61.90 -
Out of stock
Cometic - C10250 - Motor Gasket Kit - M8
Cometic
$267.70Cometic - C10250 - Motor Gasket Kit - M8FeaturesEvery gasket in these kit uses the best materials possible for its intended applicationMade in the USASpecs$267.70 -
Out of stock
Cometic - C10217 - Top End Gasket Kit with 0.040" Head Gasket - M8
Cometic
$240.40Cometic - C10217 - Top End Gasket Kit with 0.040" Head Gasket - M8FeaturesHead gasket material allows heat to be drawn away from the combustion ring and dissipated evenly across the gasket surface to...$240.40 -
Out of stock
Cometic - C10242 - Base Gasket - Gen-2 Embossing - M8
Cometic
$33.55Cometic - C10242 - Base Gasket - Gen-2 Embossing - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are...$33.55 -
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...$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...$61.90 -
Out of stock
Cometic - C10146F1 - Cam Cover Gasket
Cometic
$17.80Cometic - C10146F1 - Cam Cover GasketFeaturesHigh-quality products for long-term reliabilityGaskets available in multiple types to best suit the intended applicationManufactured from premium...$17.80 -
Out of stock
Cometic - C10128 - Complete Gasket Kit - 110"
Cometic
$169.00Cometic - C10128 - Complete Gasket Kit - 110"FeaturesEvery gasket in these kits uses the best materials possible for its intended applicationMulti-Layer Steel (MLS) head gasketsSteel Viton®-coated...$169.00 -
Out of stock
Cometic - C10138 - Top End Gasket Kit - Twin Cooled - .040" - Fits 2014-2016 Twin Cooled Twin Cam 4.00" bore
Cometic
$183.70Cometic - C10138 - Top End Gasket Kit - Twin Cooled - .040"FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a...$183.70 -
Out of stock
Cometic - C10139 - Coolant Tube O-Ring Set - Fits 2014-2016 Twin Cooled™ Twin Cam
Cometic
$31.45Cometic - C10139 - Coolant Tube O-Ring SetFeaturesContains all necessary O-rings and washers for cooling systemMust replace O-rings when removing cylinder head or servicing cooling systemMade in the...$31.45 -
Out of stock
Cometic - C10194 - Cylinder Base Gasket - M8
Cometic
$33.55Cometic - C10194 - Cylinder Base Gasket - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are embossed and...$33.55 -
Out of stock
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...$61.90 -
Out of stock
Cometic - C10191 - Cylinder Head Gasket - 4.250"
Cometic
$61.90Cometic - C10191 - Cylinder Head Gasket - 4.250"FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even torque load...$61.90 -
Out of stock
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...$61.90 -
Out of stock
Cometic - C10179 - Upper Rocker Box Gasket
Cometic
$13.60Cometic - C10179 - Upper Rocker Box GasketFeaturesViton gaskets feature a stainless steel core with a .001"-thick coating of Viton rubber on both sides.Made in the U.S.A.Replacement Part for OEM...$13.60 -
Out of stock
Cometic - C10177-010 - Cylinder Base Gasket - M8
Cometic
$33.55Cometic - C10177-010 - Cylinder Base Gasket - M8FeaturesCenter or shim layer is uncoated stainless steel, which can be varied to accommodate multiple thickness requirementsOuter layers are embossed...$33.55 -
Out of stock
Cometic - C10169-030 - Cylinder Head Gasket - 4.220" - M8
Cometic
$61.90Cometic - C10169-030 - Cylinder Head Gasket - 4.220" - M8FeaturesQuality materials developed for maximum performance tolerances and longevityMLS (Mutli-Layer Steel) head gaskets promote an even...$61.90 -
Out of stock
Cometic - C9363 - Derby Cover Bolt Washer
Cometic
$5.20Cometic - C9363 - Derby Cover Bolt Washer Features High-quality products for long-term reliability Manufactured from premium fuel-resistant materials that will not creep, crack or become...$5.20 -
Out of stock
Cometic - C9131 - Intake Manifold Seal Kit - Evolution
Cometic
$14.95Cometic - C9131 - Intake Manifold Seal Kit - EvolutionFeaturesKit contains one carburetor to intake seal (27002-89) and two intake to cylinder head seals (26995-86B)Made in the U.S.A.Specs$14.95 -
Out of stock
Cometic - C9695 - Head Gasket - 3.750" x .040" - '84-'99 EVO
Cometic
$61.90Cometic - C9695 - Head Gasket - 3.750" x .040" - '84-'99 EVOFeaturesHigh-quality products for long-term reliabilityManufactured from premium fuel-resistant materials that will not creep, crack or...$61.90 -
Out of stock
Cometic - C9194 - Top End Gasket Kit - 883 - Fits 2004-2006 XL883 w/ 3.00" bore
Cometic
$229.90Cometic - C9194 - Top End Gasket Kit - 883FeaturesEST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base, and rocker gaskets covered with a proprietary rubber...$229.90
Harley Engine
At Deadbeat Customs, we offer a wide selection of Harley engine parts built for performance, reliability, and long-lasting power. Whether you're rebuilding a vintage motor or upgrading a modern setup, we’ve got the top-end and bottom-end components you need to get the job done right.
We carry engine parts for a wide range of Harley Davidson models, including Dyna, Sportster, FXR, Touring, Softail, Shovelhead, and Panhead. From the classic Evo 1340 and Shovelhead to Twin Cam 88/96/103/110, and the modern Milwaukee-Eight 107/114/117, our catalog covers nearly every era of Harley engine design.
Choose from trusted brands like S&S Cycle, Fueling, Vance & Hines, and more—known for producing high-quality components that meet or exceed OEM standards.
Explore our full collection of Harley engine parts today and build your motor with confidence—because whether it’s vintage or modern, your Harley deserves the best from the inside out.