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Engine

8284 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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    Jims - 26315-68A - Oil Pump Drive Gear - Big Twin Jims - 26315-68A - Oil Pump Drive Gear - Big Twin
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    Jims - 26315-68A - Oil Pump Drive Gear - Big Twin

    Jims

    MSRP: $58.95
    $58.50
    Jims - 26315-68A - Oil Pump Drive Gear - Big TwinFeaturesOil Pump Component for Big Twin modelsSpecsRiding Style<
    MSRP: $58.95
    $58.50
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    MSRP: $58.95
    $58.50
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    Jims - 24599-58B - Crankcase Bushing - Big Twin
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    Jims - 24599-58B - Crankcase Bushing - Big Twin

    Jims

    $135.30
    Jims - 24599-58B - Crankcase Bushing - Big Twin Features 360  oiling Made in the U.S.A. Specs
    $135.30
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    $135.30
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    Jims - 1046-36A - Rod Race Set - Big Twin
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    Jims - 1046-36A - Rod Race Set - Big Twin

    Jims

    $121.75
    Jims - 1046-36A - Rod Race Set - Big TwinFeaturesMade from 52100 aerospace-quality Timken® bearing stockMade in the U.S.A.Replacement Part for OEM Number(s): 2434536A,2435636ASpecs
    $121.75
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    $121.75
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    Jims - 1043 - Chrome Lifter Covers - Twin Cam
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    Jims - 1043 - Chrome Lifter Covers - Twin Cam

    Jims

    $332.95
    Jims - 1043 - Chrome Lifter Covers - Twin CamFeaturesCNC-machined from 6061 T-6 billet aluminumGaskets and screws includedMade in the U.S.A.Specs
    $332.95
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    $332.95
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    Jims - 1803 - Hydrosolid Tappet - XL
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    Jims - 1803 - Hydrosolid Tappet - XL

    Jims

    $170.40
    Jims - 1803 - Hydrosolid Tappet - XLFeaturesPerform like a hydraulic tappet up to 5500 rpm, then turn into a solid tappetWhen they turn into solid tappets, it adds approximately three to six more...
    $170.40
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    $170.40
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    Jims - 24006-80/83 - Pinion Gear Shaft - Big Twin Jims - 24006-80/83 - Pinion Gear Shaft - Big Twin
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    Jims - 24006-80/83 - Pinion Gear Shaft - Big Twin

    Jims

    $160.50
    Jims - 24006-80/83 - Pinion Gear Shaft - Big TwinFeaturesMade in the U.S.A.SpecsProduct NameGear
    $160.50
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    $160.50
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    Hotop - PBGR-20 - Breather Gear Air Ramp Hotop - PBGR-20 - Breather Gear Air Ramp
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    Hotop - PBGR-20 - Breather Gear Air Ramp

    Hotop

    $44.95
    Hotop - PBGR-20 - Breather Gear Air Ramp Features Increases cfm flow by approximately 80% Helps remove more air and oil from the crankcase Made in the U.S.A. Requires the removal of the screen...
    $44.95
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    $44.95
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    Jims - 18526-PG - Tappet - Standard - XL
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    Jims - 18526-PG - Tappet - Standard - XL

    Jims

    $158.95
    Jims - 18526-PG - Tappet - Standard - XLFeaturesMicro-finish bore allows a running fit of .0002"Big Axle™ rollers are designed around three working partsThe outer wheel/roller has a 27% greater wall...
    $158.95
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    $158.95
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    Jims - 24006-87 - Pinion Shaft - Big Twin Jims - 24006-87 - Pinion Shaft - Big Twin
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    Jims - 24006-87 - Pinion Shaft - Big Twin

    Jims

    $156.95
    Jims - 24006-87 - Pinion Shaft - Big TwinFeaturesAll ground diameters are concentric to within .0003" to simplify flywheel trueing and rebuildingConstructed of only domestic steelMade in the U.S.A...
    $156.95
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    $156.95
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    Gardner-Westcott - A-61-100 - Head Bolts - Chrome
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    Gardner-Westcott - A-61-100 - Head Bolts - Chrome - Fits 1986-1991 XL; 1986-1991 Big Twin

    Gardner-Westcott

    $128.95
    Gardner-Westcott - A-61-100 - Head Bolts - ChromeFeaturesInclude four long and four short headboltsMade in the U.S.A.Specs
    $128.95
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    $128.95
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    Gardner-Westcott - A-61-110 - Head Bolt Kit - Chrome
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    Gardner-Westcott - A-61-110 - Head Bolt Kit - Chrome - Fits 1999-2017 Twin Cam and 1992-2022 XL (except RH Sportster); 1993-1999 Evolution Big Twin (repl. OEM #s 16480-92 and 16478-85A)

    Gardner-Westcott

    $128.95
    Gardner-Westcott - A-61-110 - Head Bolt Kit - ChromeFeaturesInclude four long and four short headboltsMade in the U.S.A.Specs
    $128.95
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    $128.95
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    Gardner-Westcott - SP-10-17-08 - Bolt Kit - Primary Cover Only - Socket-Head
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    Gardner-Westcott - SP-10-17-08 - Bolt Kit - Primary Cover Only - Socket-Head

    Gardner-Westcott

    $54.95
    Gardner-Westcott - SP-10-17-08 - Bolt Kit - Primary Cover Only - Socket-Head Features Primary cover only Made in the U.S.A. Specs
    $54.95
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    $54.95
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    Gardner-Westcott - SP-10-18-08 - Bolt Kit - Primary Cover Only - Socket-Head
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    Gardner-Westcott - SP-10-18-08 - Bolt Kit - Primary Cover Only - Socket-Head

    Gardner-Westcott

    $65.95
    Gardner-Westcott - SP-10-18-08 - Bolt Kit - Primary Cover Only - Socket-Head Features Primary cover only Made in the U.S.A. Specs
    $65.95
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    Qty in Cart: 0
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    $65.95
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    Gardner-Westcott - P-80-84 - Bolt Kit - Motor Set - Socket-Head
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    Gardner-Westcott - P-80-84 - Bolt Kit - Motor Set - Socket-Head

    Gardner-Westcott

    $259.95
    Gardner-Westcott - P-80-84 - Bolt Kit - Motor Set - Socket-HeadFeaturesIncludes all side covers, lifter base timing plug, inner primary mount, tip, front and rear motor mountsMade in the U.S.A.Specs
    $259.95
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    $259.95
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    Gardner-Westcott - P-80-87 - Bolt Kit - Motor Set - Socket-Head
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    Gardner-Westcott - P-80-87 - Bolt Kit - Motor Set - Socket-Head

    Gardner-Westcott

    $309.95
    Gardner-Westcott - P-80-87 - Bolt Kit - Motor Set - Socket-HeadFeaturesIncludes all side covers, lifter base timing plug, inner primary mount, tip, front and rear motor mountsMade in the U.S.A.Specs
    $309.95
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    $309.95
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    Gardner-Westcott - SP-80-87 - Bolt Kit - Motor Set - Socket-Head
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    Gardner-Westcott - SP-80-87 - Bolt Kit - Motor Set - Socket-Head

    Gardner-Westcott

    $271.95
    Gardner-Westcott - SP-80-87 - Bolt Kit - Motor Set - Socket-HeadFeaturesIncludes all side covers, lifter base timing plug, inner primary mount, tip, front and rear motor mountsMade in the U.S.A.Specs
    $271.95
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    $271.95
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    Gardner-Westcott - P-88-15 - Bolt Kit - Rocker Box - Socket-Head - Chrome - Twin Cam Gardner-Westcott - P-88-15 - Bolt Kit - Rocker Box - Socket-Head - Chrome - Twin Cam
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    Gardner-Westcott - P-88-15 - Bolt Kit - Rocker Box - Socket-Head - Chrome - Twin Cam

    Gardner-Westcott

    $50.95
    Gardner-Westcott - P-88-15 - Bolt Kit - Rocker Box - Socket-Head - Chrome - Twin Cam Features Made in the U.S.A. Specs
    $50.95
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    Qty in Cart: 0
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    $50.95
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    Gardner-Westcott - P-10-17-01 - Bolt Kit - Side Cover - Socket-Head - Chrome Gardner-Westcott - P-10-17-01 - Bolt Kit - Side Cover - Socket-Head - Chrome
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    Gardner-Westcott - P-10-17-01 - Bolt Kit - Side Cover - Socket-Head - Chrome

    Gardner-Westcott

    $153.95
    Gardner-Westcott - P-10-17-01 - Bolt Kit - Side Cover - Socket-Head - ChromeFeaturesIncludes cam, primary, oil hose cover and transmission side coverMade in the U.S.A.Specs
    $153.95
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    Qty in Cart: 0
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    $153.95
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    Gardner-Westcott - P-10-18-06 - Bolt Kit - Cam Cover - Socket-Head - Chrome - Twin Cam
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    Gardner-Westcott - P-10-18-06 - Bolt Kit - Cam Cover - Socket-Head - Chrome - Twin Cam

    Gardner-Westcott

    $35.95
    Gardner-Westcott - P-10-18-06 - Bolt Kit - Cam Cover - Socket-Head - Chrome - Twin CamFeaturesMade in the U.S.A.Specs
    $35.95
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    $35.95
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    Gardner-Westcott - P-10-16-01 - Bolt Kit - Side Cover - Socket-Head - Chrome
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    Gardner-Westcott - P-10-16-01 - Bolt Kit - Side Cover - Socket-Head - Chrome

    Gardner-Westcott

    $158.95
    Gardner-Westcott - P-10-16-01 - Bolt Kit - Side Cover - Socket-Head - ChromeFeaturesIncludes cam, primary, oil hose cover and transmission side coverMade in the U.S.A.Specs
    $158.95
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    $158.95
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    Gardner-Westcott - P-88-79 - Bolt Kit - Motor Set - Socket-Head - Softail
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    Gardner-Westcott - P-88-79 - Bolt Kit - Motor Set - Socket-Head - Softail

    Gardner-Westcott

    $331.95
    Gardner-Westcott - P-88-79 - Bolt Kit - Motor Set - Socket-Head - SoftailFeaturesIncludes all side covers, lifter base timing plug, inner primary mount, tip, front and rear motor mountsMade in the U...
    $331.95
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    $331.95
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    Gardner-Westcott - P-10-14-01 - Bolt Kit - Side Cover - Socket-Head - Chrome Gardner-Westcott - P-10-14-01 - Bolt Kit - Side Cover - Socket-Head - Chrome
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    Gardner-Westcott - P-10-14-01 - Bolt Kit - Side Cover - Socket-Head - Chrome

    Gardner-Westcott

    $176.95
    Gardner-Westcott - P-10-14-01 - Bolt Kit - Side Cover - Socket-Head - ChromeFeaturesIncludes cam, primary, oil hose cover and transmission side coverMade in the U.S.A.Specs
    $176.95
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    Qty in Cart: 0
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    $176.95
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    Gardner-Westcott - P-96-76 - Bolt Kit - Motor Set - Socket-Head - Softail
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    Gardner-Westcott - P-96-76 - Bolt Kit - Motor Set - Socket-Head - Softail

    Gardner-Westcott

    $311.95
    Gardner-Westcott - P-96-76 - Bolt Kit - Motor Set - Socket-Head - SoftailFeaturesIncludes all side covers, lifter base timing plug, inner primary mount, tip, front and rear motor mountsMade in the U...
    $311.95
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    Qty in Cart: 0
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    $311.95
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    Out of stock
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    Gardner-Westcott - C-20-37 - Bolt Kit - Timing Cover - Socket-Head - Chrome
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    Gardner-Westcott - C-20-37 - Bolt Kit - Timing Cover - Socket-Head - Chrome

    Gardner-Westcott

    $6.95
    Gardner-Westcott - C-20-37 - Bolt Kit - Timing Cover - Socket-Head - Chrome Features Made in the U.S.A. Specs
    $6.95
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    Qty in Cart: 0
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    $6.95
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    Out of stock
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    Gardner-Westcott - P-96-19 - Bolt Kit - Motor Mount - Top/Front/Rear - Socket-Head - Chrome
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    Gardner-Westcott - P-96-19 - Bolt Kit - Motor Mount - Top/Front/Rear - Socket-Head - Chrome

    Gardner-Westcott

    $127.95
    Gardner-Westcott - P-96-19 - Bolt Kit - Motor Mount - Top/Front/Rear - Socket-Head - Chrome Features Made in the U.S.A. Specs
    $127.95
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    Qty in Cart: 0
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    $127.95
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    Out of stock
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    Gardner-Westcott - P-48-17 - Bolt Kit - Motor Set - Socket-Head - M8
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    Gardner-Westcott - P-48-17 - Bolt Kit - Motor Set - Socket-Head - M8

    Gardner-Westcott

    $298.95
    Gardner-Westcott - P-48-17 - Bolt Kit - Motor Set - Socket-Head - M8FeaturesIncludes all side covers, lifter base timing plug, inner primary mount, tip, front and rear motor mountsMade in the U.S.A...
    $298.95
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    Qty in Cart: 0
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    $298.95
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    Out of stock
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    Feuling Parts - 3024 - Stud Kit - Cylinder - M8
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    Feuling Parts - 3024 - Stud Kit - Cylinder - M8

    Feuling

    $599.95
    Feuling Parts - 3024 - Stud Kit - Cylinder - M8FeaturesStuds are made from heat-treated 8740 chromoly; polished headbolts are made from alloyed stainless steelKit includes eight cylinder studs, eight...
    $599.95
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    Qty in Cart: 0
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    $599.95
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    Jims - 5401 - Forceflow Cylinder Head Cooler Kit - Black - Twin Cam Touring Jims - 5401 - Forceflow Cylinder Head Cooler Kit - Black - Twin Cam Touring
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    Jims - 5401 - Forceflow Cylinder Head Cooler Kit - Black - Twin Cam Touring

    Jims

    $632.15
    Jims - 5401 - Forceflow Cylinder Head Cooler Kit - Black - Twin Cam TouringFeaturesIncludes Forceflow assembly with high-powered fan, OEM-type replacement horn, temperature switch, manual override...
    $632.15
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    $632.15
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    Out of stock
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    Jims - 5462 - Forceflow Cylinder Head Cooler Kit - Chrome - Twin Cam Touring
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    Jims - 5462 - Forceflow Cylinder Head Cooler Kit - Chrome - Twin Cam Touring

    Jims

    $750.10
    Jims - 5462 - Forceflow Cylinder Head Cooler Kit - Chrome - Twin Cam TouringFeaturesIncludes Forceflow assembly with high-powered fan, OEM-type replacement horn, temperature switch, manual override...
    $750.10
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    Qty in Cart: 0
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    $750.10
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    Out of stock
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    Jims - 6020 - Tappet Cover Kit - Black - M8
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    Jims - 6020 - Tappet Cover Kit - Black - M8

    Jims

    $310.25
    Jims - 6020 - Tappet Cover Kit - Black - M8FeaturesMade from 6061 billet aluminumCovers were designed to be installed with Twin Cam pushrod covers, they will not work with standard M-Eight pushrod...
    $310.25
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    Qty in Cart: 0
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    $310.25
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    Out of stock
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    Feuling Parts - 7071 - HP+® Performance Oil System Chain Drive
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    Feuling Parts - 7071 - HP+® Performance Oil System Chain Drive

    Feuling

    $859.95
    Feuling Parts - 7071 - HP+® Performance Oil System Chain DriveFeaturesCombine all the needed components to finish your T/C® engine's oiling systemQuieter and smoother engine operationIncrease oil...
    $859.95
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    Qty in Cart: 0
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    $859.95
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    Out of stock
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    Feuling Parts - 7075 - Performance Oil System - Twin Cam
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    Feuling Parts - 7075 - Performance Oil System - Twin Cam

    Feuling

    $1,029.95
    Feuling Parts - 7075 - Performance Oil System - Twin CamFeaturesCombine all the needed components to finish your T/C® engine's oiling systemKit increases oil pressure, oil volume, engine oil flow and...
    $1,029.95
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    Qty in Cart: 0
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    $1,029.95
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    Out of stock
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    Feuling Parts - 4019 - Lifters - Race Series® - Oversize - M8 Feuling Parts - 4019 - Lifters - Race Series® - Oversize - M8
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    Feuling Parts - 4019 - Lifters - Race Series® - Oversize - M8

    Feuling

    $299.95
    Feuling Parts - 4019 - Lifters - Race Series® - Oversize - M8FeaturesFull-travel hydraulic lifters made from machined steel designed with .200" of travelExceed the needs of large-lift camshafts and...
    $299.95
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    Qty in Cart: 0
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    $299.95
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    Feuling Parts - 7271 - Camchest - Race Series® - Reaper 538 - Twin Cooled - M8
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    Feuling Parts - 7271 - Camchest - Race Series® - Reaper 538 - Twin Cooled - M8

    Feuling

    $2,049.95
    Feuling Parts - 7271 - Camchest - Race Series® - Reaper 538 - Twin Cooled - M8FeaturesFitment notes:Requires high lift valve springs.Specs
    $2,049.95
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    Qty in Cart: 0
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    $2,049.95
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    Out of stock
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    Feuling Parts - 7235ST - Camchest Kit - Race Series® - Reaper 594 - Chain Drive - w/Short Travel Lifters - Twin Cam '07-'17
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    Feuling Parts - 7235ST - Camchest Kit - Race Series® - Reaper 594 - Chain Drive - w/Short Travel Lifters - Twin Cam '07-'17

    Feuling

    $1,895.95
    Feuling Parts - 7235ST - Camchest Kit - Race Series® - Reaper 594 - Chain Drive - w/Short Travel Lifters - Twin Cam '07-'17FeaturesEliminate wet sumping, blowby and oily air cleaners25 - 35  cooler...
    $1,895.95
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    Qty in Cart: 0
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    $1,895.95
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    Feuling Parts - 7233P - Camchest Kit - HP+® - 543 Series - Gear Drive - Twin Cam
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    Feuling Parts - 7233P - Camchest Kit - HP+® - 543 Series - Gear Drive - Twin Cam

    Feuling

    $1,649.95
    Feuling Parts - 7233P - Camchest Kit - HP+® - 543 Series - Gear Drive - Twin CamFeaturesAll necessary components from top-to-bottom of the camchestProvide maximum reliability, longevity, peak...
    $1,649.95
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    Qty in Cart: 0
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    $1,649.95
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    Out of stock
  • Out of stock
    Feuling Parts - 7231P - Camchest Kit - HP+® - 543 Series - Chain Drive - Twin Cam
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    Feuling Parts - 7231P - Camchest Kit - HP+® - 543 Series - Chain Drive - Twin Cam

    Feuling

    $1,649.95
    Feuling Parts - 7231P - Camchest Kit - HP+® - 543 Series - Chain Drive - Twin CamFeaturesAll necessary components from top-to-bottom of the camchestProvide maximum reliability, longevity, peak...
    $1,649.95
    Out of stock Quick view
    Qty in Cart: 0
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    $1,649.95
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    Out of stock
  • Out of stock
    Feuling Parts - 7224P - Camchest Kit - HP+® Chain Drive Conversion - 543 Reaper Series - Twin Cam
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    Feuling Parts - 7224P - Camchest Kit - HP+® Chain Drive Conversion - 543 Reaper Series - Twin Cam

    Feuling

    $1,929.95
    Feuling Parts - 7224P - Camchest Kit - HP+® Chain Drive Conversion - 543 Reaper Series - Twin CamFeaturesUpdate old mechanical style cams and tensioners to hydraulic tensioner system25 -35  cooler...
    $1,929.95
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    Qty in Cart: 0
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    $1,929.95
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    Out of stock
  • Out of stock
    Feuling Parts - 7220P - Camchest Kit - HP+® Chain Drive Conversion - 525 Reaper Series - Twin Cam
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    Feuling Parts - 7220P - Camchest Kit - HP+® Chain Drive Conversion - 525 Reaper Series - Twin Cam

    Feuling

    $1,939.95
    Feuling Parts - 7220P - Camchest Kit - HP+® Chain Drive Conversion - 525 Reaper Series - Twin CamFeaturesUpdate old mechanical style cams and tensioners to hydraulic tensioner system25 -35  cooler...
    $1,939.95
    Out of stock Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $1,939.95
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    Out of stock
  • Out of stock
    Jims - 1820 - Hydrosolid Tappet - Twin Cam
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    Jims - 1820 - Hydrosolid Tappet - Twin Cam

    Jims

    $187.45
    Jims - 1820 - Hydrosolid Tappet - Twin CamFeaturesPerform like a hydraulic tappet up to 5500 rpm, then turn into a solid tappetWhen they turn into solid tappets, it adds approximately three to six...
    $187.45
    Out of stock Quick view
    Qty in Cart: 0
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    Price:
    $187.45
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    Out of stock
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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

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.