Engine
8416 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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Feuling Parts - 1008 - Reaper Camshaft - Gear Drive - 574 Series - Twin Cam
Feuling
$399.95Feuling Parts - 1008 - Reaper Camshaft - Gear Drive - 574 Series - Twin CamFeaturesPower band for modified engines and an excellent bolt-in for stock 96\Responds well to modified cylinder heads...$399.95 -
Feuling Parts - 1009 - Reaper Camshaft - Chain Drive - 574 Series - Twin Cam
Feuling
$399.95Feuling Parts - 1009 - Reaper Camshaft - Chain Drive - 574 Series - Twin Cam Features Power band for modified engines and an excellent bolt-in for stock 96\ Responds well to modified cylinder...$399.95 -
Feuling Parts - 8010 - High Flow Camplate - Chain Drive - Twin Cam
Feuling
$399.95Feuling Parts - 8010 - High Flow Camplate - Chain Drive - Twin CamFeaturesCamplate matches the oil portholes throughout the camplate to the port holes in the engine case increasing engine oil flow...$399.95 -
Feuling Parts - 1007 - Reaper Camshaft - Gear Drive - 574 Series - Twin Cam
Feuling
$399.95Feuling Parts - 1007 - Reaper Camshaft - Gear Drive - 574 Series - Twin CamFeaturesPower band for modified engines and an excellent bolt-in for stock 96\Responds well to modified cylinder heads...$399.95 -
Feuling Parts - 1004 - Camshaft - Gear Drive - 525 Series - Twin Cam
Feuling
$399.95Feuling Parts - 1004 - Camshaft - Gear Drive - 525 Series - Twin CamFeaturesDesigned to increase torque band width and increase fuel economyGreat bolt-in camshaft upgrade for stock 88" and 96"...$399.95 -
Feuling Parts - 2077 - Inner Cam Bearings
Feuling
$42.95Feuling Parts - 2077 - Inner Cam Bearings Features Inner cam bearings are heavy-duty full-complement style designed to accept the higher loads and demands of performance engines Manufactured by...$42.95 -
Feuling Parts - 5206 - Crankshaft Bearing Race Kit - Undersize Pinion Race - Twin Cam B Engines | M8
Feuling
$89.95Feuling Parts - 5206 - Crankshaft Bearing Race Kit - Undersize Pinion Race - Twin Cam B Engines | M8FeaturesAllows service and remachining of pionion shaft when prior damage occurred such as race...$89.95 -
Feuling Parts - 5205 - Crankshaft Bearing Race Kit - Twin Cam B Engines | M8
Feuling
$89.95Feuling Parts - 5205 - Crankshaft Bearing Race Kit - Twin Cam B Engines | M8FeaturesPress-on races have a precision-ground outer diameter finish and are designed to be true to size, producing the...$89.95 -
Jims - 1905 - Piston Oiling Jet Kit
Jims
$235.25Jims - 1905 - Piston Oiling Jet KitFeaturesModified to handle upgraded stroker flywheels strokeWorks with all stock and high-performance flywheel assembliesMade in the U.S.A.Specs$235.25 -
Hastings - 2C523225 - Piston Rings - 114" Motor - 4.000" +.010" - M8
Hastings
$94.50Hastings - 2C523225 - Piston Rings - 114" Motor - 4.000" +.010" - M8FeaturesIncludes top compression rings, second compression rings, and oil control ringsTop compression rings are Barrel FaceCoated...$94.50 -
Hastings - 2C523213 - Piston Rings - 114" Motor - 4.000" +.005" - M8
Hastings
$94.50Hastings - 2C523213 - Piston Rings - 114" Motor - 4.000" +.005" - M8FeaturesIncludes top compression rings, second compression rings, and oil control ringsTop compression rings are Barrel FaceCoated...$94.50 -
Hastings - 2C5232 - Piston Rings - 114" Motor - 4.000" Standard - M8
Hastings
MSRP: $48.95$29.33Hastings - 2C5232 - Piston Rings - 114" Motor - 4.000" Standard - M8FeaturesIncludes top compression rings, second compression rings, and oil control ringsTop compression rings are Barrel FaceCoated...MSRP: $48.95$29.33 -
Hastings - 2M4805005 - Piston Rings - 3.750" + 0.005" - 96" Twin Cam
Hastings
$107.08Hastings - 2M4805005 - Piston Rings - 3.750" + 0.005" - 96" Twin CamFeaturesIncludes top compression rings, second compression rings, and oil control ringsTop Compression Rings are Barrel FaceHelps...$107.08 -
Hastings - 2M5069 - Piston Rings - 3.000" Standard - 883 XL Evolution
Hastings
$46.17Hastings - 2M5069 - Piston Rings - 3.000" Standard - 883 XL EvolutionFeaturesIncludes top compression rings, second compression rings, and oil control ringsTop Compression Rings are Barrel FaceHelps...$46.17 -
Hastings - 2C5231 - Piston Rings - 107" Motor - 3.937" Standard - M8
Hastings
$80.88Hastings - 2C5231 - Piston Rings - 107" Motor - 3.937" Standard - M8FeaturesIncludes top compression rings, second compression rings, and oil control ringsTop compression rings are Barrel FaceCoated...$80.88 -
Hastings - 2M4805010 - Piston Rings - 3.750" + 0.010" - 96" Twin Cam
Hastings
$112.53Hastings - 2M4805010 - Piston Rings - 3.750" + 0.010" - 96" Twin CamFeaturesIncludes top compression rings, second compression rings, and oil control ringsTop Compression Rings are Barrel FaceHelps...$112.53 -
Je Pistons - 391730 - Piston Kit - 4.320" - M8
Je Pistons
$729.99Je Pistons - 391730 - Piston Kit - 4.320" - M8FeaturesPropriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviromentCermic crown coating protects...$729.99 -
Jagg Oil Coolers - 751-FP2600-0323 - Fan-Assisted Oil Cooler Kit - Vertical - Fits 1999-2016 Dresser (except Twin-Cooled models), 2000-2017 Softail; 1984-1998 FLT/FLHT/FLHR/FLTR, 1984-1999 FXST/FLST and 1991-1998 FXD
Jagg Oil Coolers
$574.95Jagg Oil Coolers - 751-FP2600-0323 - Fan-Assisted Oil Cooler Kit - VerticalFeaturesDesigned to perform as well at low speeds and stop-and-go traffic as on the open highwayIncludes cooler,...$574.95 -
Jagg Oil Coolers - 4702 - Oil Filter Adapter - Offset
Jagg Oil Coolers
$170.95Jagg Oil Coolers - 4702 - Oil Filter Adapter - OffsetFeaturesAutomatic thermostatic oil bypass valve allows oil to bypass the oil cooler until reaching operating temperature for faster vehicle...$170.95 -
Jagg Oil Coolers - AK4700-VRF - Viscosity Regulated Flow Actuator Kit
Jagg Oil Coolers
$15.95Jagg Oil Coolers - AK4700-VRF - Viscosity Regulated Flow Actuator KitFeaturesReplaces thermostatic actuator element in offset oil filter adapter with new Viscosity Regulated Flow (VRF) actuatorAfter...$15.95 -
Jagg Oil Coolers - 4500 - Oil Filter Adapter - Big Twin/Sportster
Jagg Oil Coolers
$129.95Jagg Oil Coolers - 4500 - Oil Filter Adapter - Big Twin/SportsterFeaturesMachined with sweeping internal flow passages for optimal flow characteristics from billet aluminum and anodized with a...$129.95 -
Je Pistons - 394140 - Piston Kit - 4.320" - M8
Je Pistons
$729.99Je Pistons - 394140 - Piston Kit - 4.320" - M8FeaturesPropriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviromentCermic crown coating protects...$729.99 -
Je Pistons - 391731 - Piston Kit - 4.250" - M8
Je Pistons
MSRP: $694.99$682.99Je Pistons - 391731 - Piston Kit - 4.250" - M8FeaturesPropriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviromentCermic crown coating protects...MSRP: $694.99$682.99 -
Je Pistons - 394138 - Piston Kit - 4.250" - M8
Je Pistons
$729.99Je Pistons - 394138 - Piston Kit - 4.250" - M8FeaturesPropriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviromentCermic crown coating protects...$729.99 -
Je Pistons - 394100 - Piston Kit - 4.310" - M8
Je Pistons
$729.99Je Pistons - 394100 - Piston Kit - 4.310" - M8FeaturesPropriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviromentCermic crown coating protects...$729.99 -
Je Pistons - 370252 - Piston Kit - M8
Je Pistons
$472.99Je Pistons - 370252 - Piston Kit - M8FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance...$472.99 -
Je Pistons - 370251 - Piston Kit - M8
Je Pistons
$472.99Je Pistons - 370251 - Piston Kit - M8FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance...$472.99 -
Je Pistons - 370246 - Piston Kit - M8
Je Pistons
$472.99Je Pistons - 370246 - Piston Kit - M8FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance...$472.99 -
Je Pistons - 370244 - Piston Kit - M8
Je Pistons
$472.99Je Pistons - 370244 - Piston Kit - M8FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance...$472.99 -
Je Pistons - 370250 - Piston Kit - M8
Je Pistons
$472.99Je Pistons - 370250 - Piston Kit - M8FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance...$472.99 -
Je Pistons - 370249 - Piston Kit - M8
Je Pistons
$472.99Je Pistons - 370249 - Piston Kit - M8FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance...$472.99 -
Je Pistons - 370247 - Piston Kit - M8
Je Pistons
$472.99Je Pistons - 370247 - Piston Kit - M8FeaturesForged from 2618-T6 aluminum for better aligned grain flow and higher tensile strengthSkirt coating aids in optimal break-in for performance...$472.99 -
Je Pistons - 324722 - Piston Kit - 98" - Twin Cam
Je Pistons
$472.99Je Pistons - 324722 - Piston Kit - 98" - Twin CamFeaturesMachined from 2618-T6 high-tensile forged aluminumDome/dish features smooth flowing radii; requires no deburring or preparationJE designs are...$472.99 -
Je Pistons - 324720 - Piston Kit - 95" - Twin Cam
Je Pistons
$472.99Je Pistons - 324720 - Piston Kit - 95" - Twin CamFeaturesMachined from 2618-T6 high-tensile forged aluminumDome/dish features smooth flowing radii; requires no deburring or preparationJE designs are...$472.99 -
Je Pistons - 317212 - Piston Kit - 107" - Twin Cam
Je Pistons
$545.99Je Pistons - 317212 - Piston Kit - 107" - Twin CamFeaturesMachined from 2618-T6 high-tensile forged aluminumDome/dish features smooth flowing radii; requires no deburring or preparationJE designs are...$545.99 -
Je Pistons - 324716 - Piston Kit - 95" - Twin Cam
Je Pistons
$472.99Je Pistons - 324716 - Piston Kit - 95" - Twin CamFeaturesMachined from 2618-T6 high-tensile forged aluminumDome/dish features smooth flowing radii; requires no deburring or preparationJE designs are...$472.99 -
Je Pistons - 317211 - Piston Kit - 107" - Twin Cam
Je Pistons
$545.99Je Pistons - 317211 - Piston Kit - 107" - Twin CamFeaturesMachined from 2618-T6 high-tensile forged aluminumDome/dish features smooth flowing radii; requires no deburring or preparationJE designs are...$545.99 -
Hiflofiltro - HF174B - Oil Filter - Black
Hiflofiltro
$8.74Hiflofiltro - HF174B - Oil Filter - BlackFeaturesThe original HifloFiltro® factory was founded in 1955 and has been manufacturing filters for the OEM motor industry since 1963With the experience of...$8.74 -
K & N - KN-174B - Oil Filter - Black
K&N
$17.99K & N - KN-174B - Oil Filter - BlackFeaturesK&N delivers a premium oil filter which is built with a synthetic media specifically designed to withstand the high concentrates of synthetic racing oilsA...$17.99 -
Hiflofiltro - HF175 - Oil Filter
Hiflofiltro
$8.74Hiflofiltro - HF175 - Oil FilterFeaturesGlobal Trade Item Number: 824225110753Provides unbeatable performance and exceptional value, Hiflo filters are the best-selling brand of aftermarket filters...$8.74
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.