Engine
8832 parts
Harley engine parts for Evo, Twin Cam, Milwaukee-Eight and Sportster motors. Jump to cams, big bore kits, heads, gaskets and seals or engine covers. Free US shipping over $100.
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S&S Cycle - 106-3688 - Piston Kit - For 97" Big Bore Kit - 3.927" - Standard
S&S Cycle
$514.95S&S Cycle - 106-3688 - Piston Kit - For 97" Big Bore Kit - 3.927" - StandardFeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade...$514.95 -
S&S Cycle - 106-3491A - Piston Kit for Hot Set Up Kits® - Standard
S&S Cycle
$617.95S&S Cycle - 106-3491A - Piston Kit for Hot Set Up Kits® - StandardFeaturesPiston kit includes set of forged pistons, rings, wristpins, and clips for a complete motorWill fit up to a 4-5/8" strokeMade...$617.95 -
S&S Cycle - 920-0114 - High Compression Piston Kit - Standard - 110" Twin Cam CVO Motor
S&S Cycle
MSRP: $587.95$521.95S&S Cycle - 920-0114 - High Compression Piston Kit - Standard - 110" Twin Cam CVO MotorFeaturesDeck height is 1.0985"Wristpin diameter is .927"Piston features a 12.5cc raised dome to achieve a...MSRP: $587.95$521.95 -
S&S Cycle - 106-5555 - Piston Kit - For 89" Stroker Kit - 3.500" - +0.010"
S&S Cycle
$484.95S&S Cycle - 106-5555 - Piston Kit - For 89" Stroker Kit - 3.500" - +0.010"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in...$484.95 -
S&S Cycle - 106-4414 - Piston Kit - For 97" Big Bore Kit - 3.927" - +0.010"
S&S Cycle
$514.95S&S Cycle - 106-4414 - Piston Kit - For 97" Big Bore Kit - 3.927" - +0.010"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade...$514.95 -
S&S Cycle - 106-5556 - Piston Kit - For 89" Stroker Kit - 3.500" - +0.020"
S&S Cycle
$484.95S&S Cycle - 106-5556 - Piston Kit - For 89" Stroker Kit - 3.500" - +0.020"FeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade in...$484.95 -
S&S Cycle - 106-5554 - Piston Kit - For 89" Stroker Kit - 3.500" - Standard
S&S Cycle
$484.95S&S Cycle - 106-5554 - Piston Kit - For 89" Stroker Kit - 3.500" - StandardFeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacementMade...$484.95 -
S&S Cycle - 92-20265 - Replacement Pistons with Rings
S&S Cycle
MSRP: $469.95$459.95S&S Cycle - 92-20265 - Replacement Pistons with RingsFeaturesS&S heads give great performance, and work with additional upgradesKits are fully assembled, and include stainless steel valves and...MSRP: $469.95$459.95 -
S&S Cycle - 92-2046 - Piston Kit - For 89" Stroker Kits & Super Stock® Heads - 3.500" - Standard
S&S Cycle
MSRP: $489.95$484.95S&S Cycle - 92-2046 - Piston Kit - For 89" Stroker Kits & Super Stock® Heads - 3.500" - StandardFeaturesPiston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete...MSRP: $489.95$484.95 -
S&S Cycle - 92-2016 - Piston Kit - for S&S Super Stock® Cylinder Heads - XL 1200 - Standard
S&S Cycle
MSRP: $499.95$484.95S&S Cycle - 92-2016 - Piston Kit - for S&S Super Stock® Cylinder Heads - XL 1200 - StandardFeaturesPiston kit includes forged pistons, rings, wrist pins, and clips for a complete motor1.1875" deck...MSRP: $499.95$484.95 -
S&S Cycle - 92-2028 - Replacement Pistons with Rings
S&S Cycle
$484.95S&S Cycle - 92-2028 - Replacement Pistons with RingsFeaturesS&S heads give great performance, and work with additional upgradesKits are fully assembled, and include stainless steel valves and...$484.95 -
S&S Cycle - 92-2027 - Replacement Pistons with Rings
S&S Cycle
$484.95S&S Cycle - 92-2027 - Replacement Pistons with RingsFeaturesS&S heads give great performance, and work with additional upgradesKits are fully assembled, and include stainless steel valves and...$484.95 -
S&S Cycle - 92-2026 - Replacement Pistons with Rings
S&S Cycle
$484.95S&S Cycle - 92-2026 - Replacement Pistons with RingsFeaturesS&S heads give great performance, and work with additional upgradesKits are fully assembled, and include stainless steel valves and...$484.95 -
S&S Cycle - 310-1226 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8
S&S Cycle
$3,359.95S&S Cycle - 310-1226 - 129" Power Package Engine Performance Kit - Chain Drive - Oil Cooled - Non-Highlighted Fins - M8FeaturesTransform 107" oil-cooled M8 into 129" with no case machining...$3,359.95 -
S&S Cycle - 31-4104A - Oil Filter - Chrome
S&S Cycle
$23.95S&S Cycle - 31-4104A - Oil Filter - ChromeFeaturesSturdy steel canister houses the finest filtering media and internal components availableCanister is slightly smaller in diameter than stock filters...$23.95 -
S&S Cycle - 31-4105 - Oil Filter Mounting Bracket Kit - Polished
S&S Cycle
$399.95S&S Cycle - 31-4105 - Oil Filter Mounting Bracket Kit - PolishedFeaturesNo voids or other casting defects in the material to cause leaksPosition of the filter has been shifted slightly to give...$399.95 -
S&S Cycle - 31-4103A - Oil Filter - Black
S&S Cycle
$20.95S&S Cycle - 31-4103A - Oil Filter - BlackFeaturesSturdy steel canister houses the finest filtering media and internal components availableCanister is slightly smaller in diameter than stock filters...$20.95 -
S&S Cycle - 106-3884 - Oil Filter Mounting Bracket Kit - Chrome
S&S Cycle
$275.95S&S Cycle - 106-3884 - Oil Filter Mounting Bracket Kit - ChromeFeaturesNo voids or other casting defects in the material to cause leaksPosition of the filter has been shifted slightly to give...$275.95 -
S&S Cycle - 31-4101A - Oil Filter - Black
S&S Cycle
$20.95S&S Cycle - 31-4101A - Oil Filter - BlackFeaturesSturdy steel canister houses the finest filtering media and internal components availableCanister is slightly smaller in diameter than stock filters...$20.95 -
S&S Cycle - 31-6510 - Oil Filter Mounting Bracket Kit - Polished
S&S Cycle
MSRP: $239.95$195.95S&S Cycle - 31-6510 - Oil Filter Mounting Bracket Kit - PolishedFeaturesNo voids or other casting defects in the material to cause leaksPosition of the filter has been shifted slightly to give...MSRP: $239.95$195.95 -
S&S Cycle - 310-0435 - Oil Line Kit - Touring
S&S Cycle
$195.95S&S Cycle - 310-0435 - Oil Line Kit - TouringFeaturesOil line kit for S&S crankcase installation in '07-'16 Touring modelsRequired to connect Super Stock crankcase to S&S oil panIncludes formed oil...$195.95 -
S&S Cycle - 900-0354 - 106" Hot Set Up® Kit - 3.967" Bore - Wrinkle Black - Twin Cam
S&S Cycle
$2,143.95S&S Cycle - 900-0354 - 106" Hot Set Up® Kit - 3.967" Bore - Wrinkle Black - Twin CamFeaturesIncreased fin area for better heat dissipationIncrease bore size from 3.750" to 3.927"4.375" stroke, 10.0:1...$2,143.95 -
S&S Cycle - 91-7661 - 96" Sidewinder® - 3.625" Big Bore - Stroker Kit - Wrinkle Black - Evolution Big Twin
S&S Cycle
$2,879.95S&S Cycle - 91-7661 - 96" Sidewinder® - 3.625" Big Bore - Stroker Kit - Wrinkle Black - Evolution Big TwinFeaturesKit includes standard flywheel assembly, 3.625" Sidewinder® stroker big bore...$2,879.95 -
S&S Cycle - 91-7660 - 96" Sidewinder® - 3.625" Big Bore - Stroker Kit - Natural - Evolution Big Twin
S&S Cycle
$2,879.95S&S Cycle - 91-7660 - 96" Sidewinder® - 3.625" Big Bore - Stroker Kit - Natural - Evolution Big TwinFeaturesKit includes standard flywheel assembly, 3.625" Sidewinder® stroker big bore cylinder, 9...$2,879.95 -
Kibblewhite - 20-4169 - Valve - Intake - 1.940" - Oversize - Branch Heads - Evolution Big Twin
Kibblewhite
$37.55Kibblewhite - 20-4169 - Valve - Intake - 1.940" - Oversize - Branch Heads - Evolution Big TwinFeaturesOne-piece stainless-steel, stellite-tipped valve is fortified by a special nitrided process with ...$37.55 -
Kibblewhite - 20-2098 - Cylinder Studs - Evolution
Kibblewhite
MSRP: $187.95$187.44Kibblewhite - 20-2098 - Cylinder Studs - EvolutionFeaturesThe complete surface has been ground to remove all the imperfections of standard rough-milled material, which also removes notch sensitivityA...MSRP: $187.95$187.44 -
Kibblewhite - 83070-4 - Cylinder Dowels - Big Twin - XL
Kibblewhite
$7.23Kibblewhite - 83070-4 - Cylinder Dowels - Big Twin - XLFeaturesCNC-machined dowels used for locating cylinder headMade in the U.S.A.Replacement Part for OEM Number(s): 1657383,1657383ASpecs$7.23 -
Kibblewhite - 20-2097 - Cylinder Studs - Evolution/XL
Kibblewhite
MSRP: $187.95$187.44Kibblewhite - 20-2097 - Cylinder Studs - Evolution/XLFeaturesThe complete surface has been ground to remove all the imperfections of standard rough-milled material, which also removes notch...MSRP: $187.95$187.44 -
Kibblewhite - 20-4170 - Valve - Intake - 1.615" - Standard - Evolution Big Twin
Kibblewhite
$29.81Kibblewhite - 20-4170 - Valve - Intake - 1.615" - Standard - Evolution Big TwinFeaturesOne-piece stainless-steel, stellite-tipped valve is fortified by a special nitrided process with .002" depth and...$29.81 -
Kibblewhite - 20-4321 - Valve Guide - Intake/Exhaust - 0.5630" OD - Evolution Big Twin | Twin Cam | XL
Kibblewhite
$37.93Kibblewhite - 20-4321 - Valve Guide - Intake/Exhaust - 0.5630" OD - Evolution Big Twin | Twin Cam | XLFeaturesPrecision-machined from copper based C63000 nickel-aluminum bronzeCompatible with no-lead...$37.93 -
Kibblewhite - 20-4322C - Valve Guide - Intake/Exhaust - 0.5640" OD - Twin Cam '99-'04 | XL '86-'03
Kibblewhite
$9.71Kibblewhite - 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...$9.71 -
Kibblewhite - 20-4321C - Valve Guide - Intake/Exhaust - 0.5630" OD - Twin Cam '99-'04 | XL '86-'03
Kibblewhite
$9.71Kibblewhite - 20-4321C - Valve Guide - Intake/Exhaust - 0.5630" OD - Twin Cam '99-'04 | XL '86-'03FeaturesPrecision-machined from cast ironCompatible with no-lead fuel and accept any type of...$9.71 -
Kibblewhite - 20-4171 - Valve - Intake - 1.840" - Standard - Evolution Big Twin
Kibblewhite
$29.81Kibblewhite - 20-4171 - Valve - Intake - 1.840" - Standard - Evolution Big TwinFeaturesOne-piece stainless-steel, stellite-tipped valve is fortified by a special nitrided process with .002" depth and...$29.81 -
Kibblewhite - 20-4195 - Valve - Exhaust - 1.750" - Standard - Panhead | Shovelhead
Kibblewhite
$35.22Kibblewhite - 20-4195 - Valve - Exhaust - 1.750" - Standard - Panhead | ShovelheadFeaturesOne-piece stainless-steel, stellite-tipped valve is fortified by a special nitrided process with .002" depth...$35.22 -
Kibblewhite - 20-20092 - Valve - Exhaust - 1.350" - Standard - 883XL
Kibblewhite
$37.55Kibblewhite - 20-20092 - Valve - Exhaust - 1.350" - Standard - 883XLFeaturesOne-piece stainless-steel, stellite-tipped valve is fortified by a special nitrided process with .002" depth and .0002"...$37.55 -
Kb Performance - KB411.STD - Piston Kit - 3.875" Standard - 10.5:1 CR - 95" Twin Cam Big Bore
KB Performance
$307.95Kb 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...$307.95 -
Kb Performance - KB348.STD - Piston Kit - 3.875" Standard - 9.3:1 CR - 95" Twin Cam Big Bore
KB Performance
$295.95Kb 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...$295.95 -
Kb Performance - KB411.005 - Piston Kit - 3.875" +0.005" - 10.5:1 CR - 95" Twin Cam Big Bore
KB Performance
$307.95Kb Performance - KB411.005 - Piston Kit - 3.875" +0.005" - 10.5:1 CR - 95" Twin Cam Big BoreFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter...$307.95 -
Kb Performance - KB348.005 - Piston Kit - 3.875" +0.005" - 9.3:1 CR - 95" Twin Cam Big Bore
KB Performance
$295.95Kb Performance - KB348.005 - Piston Kit - 3.875" +0.005" - 9.3:1 CR - 95" Twin Cam Big BoreFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter...$295.95 -
Kb Performance - KB305.030 - Piston Kit - Evolution
KB Performance
$246.95Kb Performance - KB305.030 - Piston Kit - EvolutionFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring...$246.95
About Engine
Harley Engine Parts for Rebuilds and Performance
From a fresh gasket set to a full big bore build, we stock the Harley engine parts you need to rebuild, maintain or wake up your motor. Match parts to your engine: Evo, Twin Cam, Milwaukee-Eight and Sportster parts don't swap across.
Shop Engine Parts
- Camshafts
- Big bore kits
- Cylinders
- Heads
- Pushrods
- Lifters
- Rockers
- Gaskets & seals
- Oil pumps
- Oil filters
- Motor mounts
- Engine covers
We carry engine parts from S&S Cycle, Drag Specialties, V-Twin Mfg, Alloy Art, HardDrive and Rocker Lockers. Pair your build with an air cleaner and exhaust that let it breathe.
Not Sure It Fits?
Year, model and engine all matter, and plenty of parts look the same but aren't. If you can't tell whether something fits your bike, hit us up with your year and model and we'll check it before you order.