Engine
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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
S&S Cycle - 340-0077 - Right Side Inner Main Bearing Race - Twin Cam
S&S Cycle
$65.95S&S Cycle - 340-0077 - Right Side Inner Main Bearing Race - Twin Cam Features Made in the U.S.A. For '03-'17 Twin Cam, '00-'03 Twin Cam “B” and S&S 3-piece flywheels (right side). Specs Product...$65.95 -
Out of stock
S&S Cycle - 320-0601 - Flywheel Assembly
S&S Cycle
$1,733.95S&S Cycle - 320-0601 - Flywheel AssemblyFeaturesMade of high-strength forged steel and designed for stock and high-performance custom applicationsSpecial keyed 6 large diameter tapered sprocket shaft that provides more contact area for increased...$1,733.95 -
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 - 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 - KB266.030 - Piston Kit
Kb Performance
$234.43Kb Performance - KB266.030 - Piston KitFeaturesManufactured 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 weight and...$234.43 -
Out of stock
Kb Performance - KB266.040 - Piston Kit
Kb Performance
$234.43Kb Performance - KB266.040 - Piston KitFeaturesManufactured 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 weight and...$234.43 -
Out of stock
Kb Performance - KB266.STD - Piston Kit
Kb Performance
$234.43Kb Performance - KB266.STD - Piston KitFeaturesManufactured 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 weight and...$234.43 -
Out of stock
Kb Performance - KB295.005 - Piston Kit - 3.498" +0.005" - 9.0:1 CR - XL1200
Kb Performance
$216.29Kb Performance - KB295.005 - Piston Kit - 3.498" +0.005" - 9.0:1 CR - XL1200FeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined pistons are held...$216.29 -
Out of stock
Kuryakyn - KUR8136 - Oil Pressure Sending Unit Cover - 80" Evo Big Twin
Kuryakyn
$44.99Kuryakyn - KUR8136 - Oil Pressure Sending Unit Cover - 80" Evo Big TwinFeaturesHigh-quality, chromed, die-cast coverRequires the sending unit to be removed for installationFor single-terminal gauge-style sending unitsIncludes an upper and lower cover for...$44.99 -
Out of stock
Kibblewhite - 20-23950 - Beehive Shim Spring Kit
Kibblewhite
$382.95Kibblewhite - 20-23950 - Beehive Shim Spring KitFeaturesBeehive Shim Spring Kit for M8 enginesSpecsUnitsKitTypeShimProduct NameSpring KitRiding StyleStreetFitment2017-2021 Harley-Davidson CVO Electra Glide Ultra Limited FLHTKSE2018-2022 Harley-Davidson...$382.95 -
Out of stock
Kibblewhite - 20-23900 - Beehive Shim Spring Kit
Kibblewhite
$422.95Kibblewhite - 20-23900 - Beehive Shim Spring KitFeaturesBeehive Shim Spring Kit for M8 enginesSpecsUnitsKitTypeShimProduct NameSpring KitRiding StyleStreetFitment2017-2021 Harley-Davidson CVO Electra Glide Ultra Limited FLHTKSE2018-2022 Harley-Davidson...$422.95 -
Out of stock
Kibblewhite - 10-HC446 - Valve Seat
Kibblewhite
$19.47Kibblewhite - 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...$19.47 -
Out of stock
Kibblewhite - 10-HC445 - Valve Seat
Kibblewhite
$19.47Kibblewhite - 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...$19.47 -
Out of stock
Kb Performance - KB661LCA.010 - Piston Kit - 4.00" +0.010" - 10.0:1 CR - 96"-103" Twin Cam Bored to 110 ci w/SE 95 cc Heads
Kb Performance
$390.86Kb Performance - KB661LCA.010 - Piston Kit - 4.00" +0.010" - 10.0:1 CR - 96"-103" Twin Cam Bored to 110 ci w/SE 95 cc HeadsFeaturesNew skirt coating technology is applied to the entire thickness of the piston-to-wall clearance for a zero install...$390.86 -
Out of stock
Kb Performance - KB660LCA.010 - Piston Kit - 3.875" +0.010" - 10.0:1 CR - 103" Twin Cam | 96" Big Bore to 103" w/SE 95 cc Heads
Kb Performance
$390.86Kb Performance - KB660LCA.010 - Piston Kit - 3.875" +0.010" - 10.0:1 CR - 103" Twin Cam | 96" Big Bore to 103" w/SE 95 cc HeadsFeaturesNew skirt coating technology is applied to the entire thickness of the piston-to-wall clearance for a zero install...$390.86 -
Out of stock
Kb Performance - KB661C.STD - Piston Kit - 4.000" Standard - 10.0:1 CR - 96"/103" Twin Cam Bored to 110 CI w/SE 95 cc Heads
Kb Performance
$307.29Kb Performance - KB661C.STD - Piston Kit - 4.000" Standard - 10.0:1 CR - 96"/103" Twin Cam Bored to 110 CI w/SE 95 cc HeadsFeaturesOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips and Hastings moly...$307.29 -
Out of stock
Kb Performance - KB661C.005 - Piston Kit - 4.000" +0.005" - 10.0:1 CR - 96"/103" Twin Cam Bored to 110 CI w/SE 95 cc Heads
Kb Performance
$307.29Kb Performance - KB661C.005 - Piston Kit - 4.000" +0.005" - 10.0:1 CR - 96"/103" Twin Cam Bored to 110 CI w/SE 95 cc HeadsFeaturesOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips and Hastings moly...$307.29 -
Out of stock
Kb Performance - KB348.010 - Piston Kit - 3.875" +0.010" - 9.3:1 CR - 95" Twin Cam Big Bore
Kb Performance
$281.29Kb Performance - KB348.010 - Piston Kit - 3.875" +0.010" - 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 - KB258.040 - Piston Kit
Kb Performance
$222.43Kb Performance - KB258.040 - Piston KitFeaturesManufactured 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 weight and...$222.43 -
Out of stock
Kb Performance - KB907C.STD - Piston Kit - 3.875" Standard - 9.5:1 CR - 96" to 103" Big Bore |103" Twin Cam
Kb Performance
$307.29Kb Performance - KB907C.STD - Piston Kit - 3.875" Standard - 9.5:1 CR - 96" to 103" Big Bore |103" Twin CamFeaturesOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips and Hastings moly ringsReplacement rings...$307.29 -
Out of stock
Kb Performance - KB906C.STD - Piston Kit - 3.875" Standard - 10.5:1 CR - Big Bore - 95" Twin Cam
Kb Performance
$307.29Kb Performance - KB906C.STD - Piston Kit - 3.875" Standard - 10.5:1 CR - Big Bore - 95" Twin CamFeaturesOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips and Hastings moly ringsReplacement rings and pin locks...$307.29 -
Out of stock
Kb Performance - KB904C.STD - Piston Kit - 3.875" Standard - 9.25:1 CR - Big Bore - 95" Twin Cam
Kb Performance
$307.29Kb Performance - KB904C.STD - Piston Kit - 3.875" Standard - 9.25:1 CR - Big Bore - 95" Twin CamFeaturesOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips and Hastings moly ringsReplacement rings and pin locks...$307.29 -
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 - 20-21205 - Beehive Spring Kit - 0.550" Lift - M8 | CVO
Kibblewhite
$416.95Kibblewhite - 20-21205 - Beehive Spring Kit - 0.550" 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™...$416.95 -
Out of stock
Kb Performance - KB409C.005 - Piston Kit - 3.875" +0.005" - 10.0:1 CR - 103" Twin Cam | 96" Twin Cam Big Bore
Kb Performance
$225.29Kb Performance - KB409C.005 - Piston Kit - 3.875" +0.005" - 10.0:1 CR - 103" Twin Cam | 96" Twin Cam Big BoreFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring...$225.29 -
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
$18.12Kibblewhite - 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...$18.12 -
Out of stock
Kibblewhite - 20-20862M - Valve Guide - 0.5645" OD - Intake - Twin Cam | XL
Kibblewhite
$18.12Kibblewhite - 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...$18.12 -
Out of stock
Kibblewhite - 20-20861M - Valve Guide - 0.5635" OD - Intake - Twin Cam | XL
Kibblewhite
$18.12Kibblewhite - 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...$18.12
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.