Engine
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Out of stock
Revolution Performance, Llc - TIR-RB - Tappet Cover - Tap-It-Right Kit - Gloss Black with Red Base - M8
Revolution Performance, Llc
$575.95Revolution Performance, Llc - TIR-RB - Tappet Cover - Tap-It-Right Kit - Gloss Black with Red Base - M8Featuresrevolution performance logoEliminates the risk of the inside bolt on the anti-rotation device breaking off in the caseFit over broken bolts –...$575.95 -
Out of stock
S&S Cycle - 330-0622 - Pinion Gear - Standard - M8
S&S Cycle
$131.95S&S Cycle - 330-0622 - Pinion Gear - Standard - M8FeaturesA two-gear set is required for gear-driven cams that do not come with secondary cam gears; be sure to select the appropriate outer cam drive gear, pinion drive gear, and mounting hardwareDue to...$131.95 -
Out of stock
S&S Cycle - 330-0627 - Pinion Gear - Oversized - M8
S&S Cycle
$129.95S&S Cycle - 330-0627 - Pinion Gear - Oversized - M8FeaturesA two-gear set is required for gear-driven cams that do not come with secondary cam gears; be sure to select the appropriate outer cam drive gear, pinion drive gear, and mounting hardwareDue to...$129.95 -
Out of stock
Rough Crafts - RC-610-000 - Rocker Box Covers - Black - Grooved
Rough Crafts
$699.95Rough Crafts - RC-610-000 - Rocker Box Covers - Black - GroovedFeaturesCNC machined from forged billet aluminumMounting hardware includedSold in pairsSpecsMaterialBillet AluminumTypeRocker BoxProduct NameCoverStyleGroovedRiding...$699.95 -
Out of stock
S&S Cycle - 31-6018 - Oil Pump Relief Spring
S&S Cycle
$11.95S&S Cycle - 31-6018 - Oil Pump Relief SpringFeaturesThis premium quality, steel-alloy oil pump pressure relief spring actually increases engine oil pressure by 2-3 psi, and does not interfere with critical bearing lubrication needsSpecsProduct...$11.95 -
Out of stock
Revolution Performance, Llc - RP201-618W - Cylinder Kit - 143" - Black - 114"/117" M8
Revolution Performance, Llc
$1,899.95Revolution Performance, Llc - RP201-618W - Cylinder Kit - 143" - Black - 114"/117" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated boreNSC-plated cylinders have less friction for...$1,899.95 -
Out of stock
Revolution Performance, Llc - RP201-613W - Cylinder Kit - 139" - Black - 107" M8
Revolution Performance, Llc
$1,899.95Revolution Performance, Llc - RP201-613W - Cylinder Kit - 139" - Black - 107" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated boreNSC-plated cylinders have less friction for...$1,899.95 -
Out of stock
Revolution Performance, Llc - RP201-130W - Cylinder Kit - 124" - Granite - Twin Cam
Revolution Performance, Llc
$1,529.95Revolution Performance, Llc - RP201-130W - Cylinder Kit - 124" - Granite - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated boreNSC-plated cylinders have less friction for...$1,529.95 -
Out of stock
Revolution Performance, Llc - RP201-126W - Cylinder Kit - 124" - Black with Highlighted Fins - Twin Cam
Revolution Performance, Llc
$1,529.95Revolution Performance, Llc - RP201-126W - Cylinder Kit - 124" - Black with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated boreNSC-plated cylinders have...$1,529.95 -
Out of stock
Revolution Performance, Llc - RP201-171WG - Cylinder Kit - 117" - Granite with Highlighted Fins - Twin Cam
Revolution Performance, Llc
$1,529.95Revolution Performance, Llc - RP201-171WG - Cylinder Kit - 117" - Granite with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated boreNSC-plated cylinders...$1,529.95 -
Out of stock
Revolution Performance, Llc - RP201-603W - Cylinder Kit - 124" - Big Bore - Black - 107" M8
Revolution Performance, Llc
$1,529.95Revolution Performance, Llc - RP201-603W - Cylinder Kit - 124" - Big Bore - Black - 107" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated boreNSC-plated cylinders have less...$1,529.95 -
Out of stock
Revolution Performance, Llc - RP201-607W - Cylinder Kit - 128" - Big Bore - Black Granite with Highlighted Fins - 114"/117" M8
Revolution Performance, Llc
$1,529.95Revolution Performance, Llc - RP201-607W - Cylinder Kit - 128" - Big Bore - Black Granite with Highlighted Fins - 114"/117" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated...$1,529.95 -
Out of stock
Revolution Performance, Llc - RP201-606W - Cylinder Kit - 128" - Big Bore - Black with Highlighted Fins - 114"/117" M8
Revolution Performance, Llc
$1,529.95Revolution Performance, Llc - RP201-606W - Cylinder Kit - 128" - Big Bore - Black with Highlighted Fins - 114"/117" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated boreNSC-plated...$1,529.95 -
Out of stock
Revolution Performance, Llc - RP201-601W - Cylinder Kit - 124" - Big Bore - Black with Highlighted Fins - 107" M8
Revolution Performance, Llc
$1,529.95Revolution Performance, Llc - RP201-601W - Cylinder Kit - 124" - Big Bore - Black with Highlighted Fins - 107" M8Featuresrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated boreNSC-plated...$1,529.95 -
Out of stock
Revolution Performance, Llc - RP201-177W - Cylinder Kit - 113" - Big Bore - Granite with Highlighted Fins - Screamin Eagle | CVO 110" Twin Cam
Revolution Performance, Llc
$1,479.95Revolution Performance, Llc - RP201-177W - Cylinder Kit - 113" - Big Bore - Granite with Highlighted Fins - Screamin Eagle | CVO 110" Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC)...$1,479.95 -
Out of stock
Revolution Performance, Llc - RP201-174W - Cylinder Kit - 113" - Big Bore - Black with Highlighted Fins - Screamin Eagle | CVO 110" Twin Cam
Revolution Performance, Llc
$1,479.95Revolution Performance, Llc - RP201-174W - Cylinder Kit - 113" - Big Bore - Black with Highlighted Fins - Screamin Eagle | CVO 110" Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC)...$1,479.95 -
Out of stock
Revolution Performance, Llc - RP201-119W - Cylinder Kit - 107" - Big Bore - Black with Highlighted Fins - Twin Cam
Revolution Performance, Llc
$1,479.95Revolution Performance, Llc - RP201-119W - Cylinder Kit - 107" - Big Bore - Black with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated boreNSC-plated...$1,479.95 -
Out of stock
Revolution Performance, Llc - RP201-103W - Cylinder Kit - 98" - Big Bore - Black with Highlighted Fins - Twin Cam
Revolution Performance, Llc
$1,479.95Revolution Performance, Llc - RP201-103W - Cylinder Kit - 98" - Big Bore - Black with Highlighted Fins - Twin CamFeaturesrevolution performance logoAerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated boreNSC-plated...$1,479.95 -
Out of stock
S&S Cycle - 90-4006 - Rocker Arm Shaft - Twin Cam/XL
S&S Cycle
$21.95S&S Cycle - 90-4006 - Rocker Arm Shaft - Twin Cam/XLFeaturesMade in the U.S.A.SpecsRiding StyleStreetUnitsEachProduct NameShaftTypeRocker ArmFitment1997-2000 Buell M2 Cyclone1996 Buell S1 Lightning1998 Buell S1 White Lightning1994 Buell S2...$21.95 -
Out of stock
S&S Cycle - 330-0331 - Easy Start Cam Kit - Twin Cam
S&S Cycle
$540.95S&S Cycle - 330-0331 - Easy Start Cam Kit - Twin CamFeaturesStart any engine regardless of displacement or compression ratio with a stock starterSave your starter and battery; tested for 10,000 starts without running battery downAllow for easy start by...$540.95 -
Out of stock
S&S Cycle - 106-5229 - Easy Start Cam Kit
S&S Cycle
$1,070.95S&S Cycle - 106-5229 - Easy Start Cam KitFeaturesStart any engine regardless of displacement or compression ratio with a stock starterSave your starter and battery; tested for 10,000 starts without running battery downAllow for easy start by initially...$1,070.95 -
Out of stock
S&S Cycle - 330-0625 - Camshaft Kit - 350G Gear Drive - M8
S&S Cycle
$458.95S&S Cycle - 330-0625 - Camshaft Kit - 350G Gear Drive - M8FeaturesBolt in compatible with all stock valve train componentsGear drive cams provide improved valve timing accuracy350G gear drive cam has stock specs, but eliminates cam drive chain and...$458.95 -
Out of stock
S&S Cycle - 330-0540 - Cam Chest with Plate Kit - 509C Standard Cams - Twin Cam
S&S Cycle
$2,060.95S&S Cycle - 330-0540 - Cam Chest with Plate Kit - 509C Standard Cams - Twin CamFeaturesUpgrade to S&S bolt-in performance camshaftsS&S Quickie pushrods - easy installation, without removing rocker coversS&S hydraulic cam chain tensioner improves valve...$2,060.95 -
Out of stock
S&S Cycle - 330-0453 - Easy Start Cam Kit - Twin Cam
S&S Cycle
$719.95S&S Cycle - 330-0453 - Easy Start Cam Kit - Twin CamFeaturesStart any engine regardless of displacement or compression ratio with a stock starterSave your starter and battery; tested for 10,000 starts without running battery downAllow for easy start by...$719.95 -
Out of stock
Revolution Performance, Llc - RP301-518W - Piston Kit - 109" - Evolution
Revolution Performance, Llc
$515.95Revolution Performance, Llc - RP301-518W - Piston Kit - 109" - EvolutionFeaturesrevolution performance logoReplacement piston kit for Bolt-On Big Bore Kitrevolution performance logoSpecsDisplacement109''Product NamePiston KitStroke Length...$515.95 -
Out of stock
S&S Cycle - 106-5221 - Easy Start Cam Kit - Twin Cam
S&S Cycle
$1,070.95S&S Cycle - 106-5221 - Easy Start Cam Kit - Twin CamFeaturesStart any engine regardless of displacement or compression ratio with a stock starterSave your starter and battery; tested for 10,000 starts without running battery downAllow for easy start by...$1,070.95 -
Out of stock
S&S Cycle - 33-4160X - Under Sized Pinion Gear
S&S Cycle
$132.95S&S Cycle - 33-4160X - Under Sized Pinion GearFeaturesA four-gear set is required for gear-driven cams that do not come with secondary cam gears; includes two secondary cam gears, outer cam drive gear, outer pinion drive gear and mounting hardwareDue to...$132.95 -
Out of stock
Revolution Performance, Llc - RP301-120W - Piston Kit - Domed - For 113" Big Bore Cylinder Kit - Twin Cam
Revolution Performance, Llc
$495.95Revolution Performance, Llc - RP301-120W - Piston Kit - Domed - For 113" Big Bore Cylinder Kit - Twin CamFeaturesrevolution performance logoTop-quality custom-forged piston kits manufactured with high-strength aluminum alloyInclude pistons with skirt...$495.95 -
Out of stock
Revolution Performance, Llc - RP301-116WD - Piston Kit - Domed - For 107" Big Bore Cylinder Kit - Twin Cam
Revolution Performance, Llc
$495.95Revolution Performance, Llc - RP301-116WD - Piston Kit - Domed - For 107" Big Bore Cylinder Kit - Twin CamFeaturesrevolution performance logoTop-quality custom-forged piston kits manufactured with high-strength aluminum alloyInclude pistons with skirt...$495.95 -
Out of stock
Revolution Performance, Llc - RP301-116W - Piston Kit - Flat-Top - For 107" Big Bore Cylinder Kit - Twin Cam
Revolution Performance, Llc
$495.95Revolution Performance, Llc - RP301-116W - Piston Kit - Flat-Top - For 107" Big Bore Cylinder Kit - Twin CamFeaturesrevolution performance logoTop-quality custom-forged piston kits manufactured with high-strength aluminum alloyInclude pistons with skirt...$495.95 -
Out of stock
S&S Cycle - 920-0115 - High Compression Piston Kit - +0.010" - 110" Twin Cam CVO Motor
S&S Cycle
$587.95S&S Cycle - 920-0115 - High Compression Piston Kit - +0.010" - 110" Twin Cam CVO MotorFeaturesDeck height is 1.0985"Wristpin diameter is .927"Piston features a 12.5cc raised dome to achieve a compression ratio of 10.6:1Not for twin cooled or '17 touring...$587.95 -
Out of stock
S&S Cycle - 310-1233 - 132" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8
S&S Cycle
$3,359.95S&S Cycle - 310-1233 - 132" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8FeaturesTransform the 114" or the 117" oil-cooled M8 into 132"Adjustable pressure relief valve can be adjusted with unit installed in...$3,359.95 -
Out of stock
S&S Cycle - 310-1101B - 128" Power Package Engine Performance Kit - Chain Drive
S&S Cycle
$3,265.95S&S Cycle - 310-1101B - 128" Power Package Engine Performance Kit - Chain DriveFeaturesBig-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight with no case machining required4-1/4" bore cylinders with 11:1 forged pistonsS&S oil pump/cam plate...$3,265.95 -
Out of stock
Kibblewhite - 20-4322C - Valve Guide - Intake/Exhaust - 0.5640" OD - Twin Cam '99-'04 | XL '86-'03
Kibblewhite
$13.83Kibblewhite - 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...$13.83 -
Out of stock
Kb Performance - KB411.STD - Piston Kit - 3.875" Standard - 10.5:1 CR - 95" Twin Cam Big Bore
Kb Performance
$293.00Kb Performance - KB411.STD - Piston Kit - 3.875" Standard - 10.5:1 CR - 95" Twin Cam Big BoreFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined...$293.00 -
Out of stock
Kb Performance - KB348.STD - Piston Kit - 3.875" Standard - 9.3:1 CR - 95" Twin Cam Big Bore
Kb Performance
$281.29Kb Performance - KB348.STD - Piston Kit - 3.875" Standard - 9.3:1 CR - 95" Twin Cam Big BoreFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined...$281.29 -
Out of stock
Kb Performance - KB272.010 - Piston Kit - 3.498" +0.010" - 10.0:1 CR - XL883 to 1200 Conversion
Kb Performance
$234.43Kb Performance - KB272.010 - Piston Kit - 3.498" +0.010" - 10.0:1 CR - XL883 to 1200 ConversionFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined...$234.43 -
Out of stock
Kb Performance - KB305.STD - Piston Kit - Evolution
Kb Performance
$234.43Kb Performance - KB305.STD - Piston Kit - EvolutionFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram...$234.43 -
Out of stock
Kb Performance - KB305.010 - Piston Kit - Evolution
Kb Performance
$234.43Kb Performance - KB305.010 - Piston Kit - EvolutionFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram...$234.43 -
Out of stock
Kb Performance - KB272.STD - Piston Kit - 3.498" Standard - 10.0:1 CR - XL883 to 1200 Conversion
Kb Performance
$234.43Kb Performance - KB272.STD - Piston Kit - 3.498" Standard - 10.0:1 CR - XL883 to 1200 ConversionFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring...$234.43
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.