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Engine

Engine

 

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  •  Feuling - Race Series® 592 Camchest Kit fits '17-Up M8 Oil-Cooled Motors  Feuling - Race Series® 592 Camchest Kit fits '17-Up M8 Oil-Cooled Motors

    Feuling - Race Series® 592 Camchest Kit fits '17-Up M8 Oil-Cooled Motors

    Feuling

    $1,995.95
    Feuling - Race Series® 592 Camchest Kit fits '17-Up M8 Oil-Cooled Motors Please note this kit requires high lift/high load valve springs PART #'s 0926-3138 (See "Also Bought" Tab). Features Kit includes Race Series oiling system: billet 7075 oil...
    $1,995.95
    Qty in Cart: 0
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    $1,995.95
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  •  Feuling - Race Series® 521 Camchest Kit fits '17-Up M8 Oil-Cooled Motors  Feuling - Race Series® 521 Camchest Kit fits '17-Up M8 Oil-Cooled Motors

    Feuling - Race Series® 521 Camchest Kit fits '17-Up M8 Oil-Cooled Motors

    Feuling

    $1,895.95
    Feuling - Race Series® 521 Camchest Kit fits '17-Up M8 Oil-Cooled Motors Please note this kit requires high lift valve springs PART #'s 0926-2973 or 0926-2974 (See "Also Bought" Tab). Features Quieter and smoother engine operation Increase oil...
    $1,895.95
    Qty in Cart: 0
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    $1,895.95
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  •  Feuling - High-Load Beehive® Factory Style 6mm Valve Stems and Triple Groove Valve Springs with Titanium Retainers Fits Harley '17-Up M8 Model  Feuling - High-Load Beehive® Factory Style 6mm Valve Stems and Triple Groove Valve Springs with Titanium Retainers Fits Harley '17-Up M8 Model

    Feuling - High-Load Beehive® Factory Style 6mm Valve Stems and Triple Groove Valve Springs with Titanium Retainers Fits Harley '17-Up M8 Model

    Feuling

    $599.95
    Feuling - High-Load Beehive® Factory Style 6mm Valve Stems and Triple Groove Valve Springs with Titanium Retainers Fits Harley '17-Up M8 Model Features Machined from a premium grade Hi-tensile chrome silicon single conical ovate wire, shot-peened...
    $599.95
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    $599.95
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  •  Feuling - Endurance Beehive® Standard 6mm Valve Stem Valve Springs with Titanium Retainers Fits Harley '17-Up M8 Model  Feuling - Endurance Beehive® Standard 6mm Valve Stem Valve Springs with Titanium Retainers Fits Harley '17-Up M8 Model

    Feuling - Endurance Beehive® Standard 6mm Valve Stem Valve Springs with Titanium Retainers Fits Harley '17-Up M8 Model

    Feuling

    $599.95
    Feuling - Endurance Beehive® Standard 6mm Valve Stem Valve Springs with Titanium Retainers Fits Harley '17-Up M8 Model Features Made from premium stress-relieved conical ovate wire Feature extremely high-level of fatigue life Use a much smaller...
    $599.95
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    $599.95
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  •  Feuling - Race Series® 508 Camchest Kit fits '17-Up M8 Oil-Cooled Motors  Feuling - Race Series® 508 Camchest Kit fits '17-Up M8 Oil-Cooled Motors

    Feuling - Race Series® 508 Camchest Kit fits '17-Up M8 Oil-Cooled Motors

    Feuling

    $1,995.95
    Feuling - Race Series® 508 Camchest Kit fits '17-Up M8 Oil-Cooled Motors Please note this kit requires high lift valve springs on stock cylinder heads PART #'s 0926-2973 or 0926-2974 (See "Also Bought" Tab). Features Quieter and smoother engine...
    $1,995.95
    Qty in Cart: 0
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    $1,995.95
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  •  Feuling - 465 HP+ Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors  Feuling - 465 HP+ Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors

    Feuling - 465 HP+ Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors

    Feuling

    $1,695.95
    Feuling - 465 HP+ Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors Features Quieter and smoother engine operation Increase oil pressure, scavenge volume and engine oil flow 15-35 degree cooler engine temperatures 15-30 degree cooler oil...
    $1,695.95
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    $1,695.95
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  •  Feuling - 405 HP+ Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors  Feuling - 405 HP+ Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors

    Feuling - 405 HP+ Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors

    Feuling

    $1,695.95
    Feuling - 405 HP+ Camchest Kit fits '17-Up M8 Twin-Cooled™ Motors Features Quieter and smoother engine operation Increase oil pressure, scavenge volume and engine oil flow 15-35 degree cooler engine temperatures 15-30 degree cooler oil...
    $1,695.95
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    $1,695.95
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  •  Feuling - 465 HP+ Camchest Kit fits '17-Up M8 Oil-Cooled Motors  Feuling - 465 HP+ Camchest Kit fits '17-Up M8 Oil-Cooled Motors

    Feuling - 465 HP+ Camchest Kit fits '17-Up M8 Oil-Cooled Motors

    Feuling

    $1,695.95
    Feuling - 465 HP+ Camchest Kit fits '17-Up M8 Oil-Cooled Motors Features Quieter and smoother engine operation Increase oil pressure, scavenge volume and engine oil flow 15-35 degree cooler engine temperatures 15-30 degree cooler oil...
    $1,695.95
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    $1,695.95
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  •  Feuling - 405 HP+ Camchest Kit fits '17-Up M8 Oil-Cooled Motors  Feuling - 405 HP+ Camchest Kit fits '17-Up M8 Oil-Cooled Motors

    Feuling - 405 HP+ Camchest Kit fits '17-Up M8 Oil-Cooled Motors

    Feuling

    $1,695.95
    Feuling - 405 HP+ Camchest Kit fits '17-Up M8 Oil-Cooled Motors Features Quieter and smoother engine operation Increase oil pressure, scavenge volume and engine oil flow 15-35 degree cooler engine temperatures 15-30 degree cooler oil...
    $1,695.95
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    $1,695.95
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  •  Rough Crafts - Grooved Cam Cover fits '17 & Up M8 Softail Models (Choose Finish)  Rough Crafts - Grooved Cam Cover fits '17 & Up M8 Softail Models (Choose Finish)

    Rough Crafts - Grooved Cam Cover fits '17 & Up M8 Softail Models (Choose Finish)

    Rough Crafts

    $329.95
    Rough Crafts - Grooved Cam Cover fits '17 & Up M8 Softail Models These Grooved Cam Covers come complete with all of the necessary mounting hardware for a quick and easy installation. Available in your choice of a black or chrome finish...
    $329.95
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    $329.95
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  •  Rough Crafts - Grooved Rocker Box Cover fits '17 & Up M8 Softail Models (Choose Finish)  Rough Crafts - Grooved Rocker Box Cover fits '17 & Up M8 Softail Models (Choose Finish)

    Rough Crafts - Grooved Rocker Box Cover fits '17 & Up M8 Softail Models (Choose Finish)

    Rough Crafts

    $699.95
    Rough Crafts - Grooved Rocker Box Cover fits '17 & Up M8 Softail Models These Grooved Rocker Box Covers come complete with all of the necessary mounting hardware for a quick and easy installation. Available in your choice of a black or chrome finish...
    $699.95
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    $699.95
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  • On Sale
     S&S Cycle - Roller Rocker Arms fits M8 Softail Models  S&S Cycle - Roller Rocker Arms fits M8 Softail Models

    S&S Cycle - Roller Rocker Arms fits M8 Softail Models

    S&S Cycle

    MSRP: $599.95
    Now: $550.76
    Was: $611.95
    S&S Cycle - Roller Rocker Arms fits M8 Softail Models Features Forged from 8620 steel, heat-treated then shot-peened for additional strength and durability Rocker arms have .75" long bushings instead of the .50" long bushings found on most other...
    MSRP: $599.95
    Now: $550.76
    Was: $611.95
    Qty in Cart: 0
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    MSRP: $599.95
    Now: $550.76
    Was: $611.95
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  • On Sale
     S&S Cycle - 128" Power Packages fits '17-'21 M8 Water/Oil-Cooled Engines  S&S Cycle - 128" Power Packages fits '17-'21 M8 Water/Oil-Cooled Engines

    S&S Cycle - 128" Power Packages fits '17-'21 M8 Water/Oil-Cooled Engines

    S&S Cycle

    $3,085.16 - $3,114.86
    S&S Cycle - 128" Power Packages fits '17-'20 M8 Water/Oil-Cooled Engines This Power Package increases your 114"/117" with a 4-1/2" stroke M8 to 128". It is available in a wrinkle black or black granite finish and your choice of cylinders with or...
    $3,085.16 - $3,114.86
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  • Colony Machine - Engine Bolt Kits fits '17-'21 Touring Models

    Colony Machine - Engine Bolt Kits fits '17-'21 Touring Models

    Colony Machine

    $243.95
    Colony Machine - Engine Bolt Kits fits '17-'20 Touring Models The Colony Machine Engine Bolt Kit is a fully equipped, chrome plated kit that is 100% manufactured in the U.S.A. Colony Machine is a choice brand among custom motorcycle builders,...
    $243.95
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    $243.95
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  •  Performance Machine - Rocker Box Covers fits '17-'21 M-Eight

    Performance Machine - Rocker Box Covers fits '17-'21 M-Eight

    Performance Machine

    $1,026.95
    Performance Machine - Rocker Box Covers fits '17-'20 M-Eight These Rocker Box Covers were created to be designed the way that best fits your bike's style. They are available in chrome, contrast cut or platinum cut finishes. Features Direct...
    $1,026.95
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    $1,026.95
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  •  Roland Sands Design Clarity Cam Cover - fits '01-'17 Twin Cam w/o Cam Position Sensor ( exc. '01-'08 FL)  Roland Sands Design Clarity Cam Cover - fits '01-'17 Twin Cam w/o Cam Position Sensor ( exc. '01-'08 FL)

    Roland Sands Design Clarity Cam Cover - fits '01-'17 Twin Cam w/o Cam Position Sensor ( exc. '01-'08 FL)

    Roland Sands Design

    MSRP: $519.95
    $494.95
    Roland Sands Design Clarity Cam Cover - fits '01-'17 Twin Cam w/o Cam Position Sensor ( exc. '01-'08 FL) Features Allows for viewing of the internal moving engine components CNC-machined from billet aluminum Hardware included Contrast Cut™...
    MSRP: $519.95
    $494.95
    Qty in Cart: 0
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    MSRP: $519.95
    $494.95
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  •  Feuling Reaper 521 Camshaft for Harley Milwaukee Eight 2017-Up

    Feuling Reaper 521 Camshaft for Harley Milwaukee Eight 2017-Up

    Feuling

    $299.95
    Feuling Reaper 521 Camshaft for Harley Milwaukee Eight 2017-Up Description: Produce more power and torque in the riding rpm range, improving throttle response, acceleration and fuel mileage Smooth camshaft lobe ramps are easier on valvetrain...
    $299.95
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    $299.95
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  •  Drag Specialties Muffler Support for Harley Sportster '80 to Early '84

    Drag Specialties Muffler Support for Harley Sportster '80 to Early '84

    Drag Specialties

    $101.99
    Drag Specialties Muffler Support for Harley Sportster '80 to Early '84 Drag Specialties Muffler Support for Harley Sportster '80 to Early '84 replaces Harley-Davidson OEM part number 65599-80A. 1" OD steel tubing Made in the U.S.A. Fitment: ...
    $101.99
    Qty in Cart: 0
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    $101.99
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  •  Paughco - Rear Heat Shield for Drag Pipes DBC-2620

    Paughco - Rear Heat Shield for Drag Pipes DBC-2620

    Paughco

    $155.95
    Paughco Rear Heat Shield for Drag Pipes (DBC-2620) This heat shield is made for use with the Paughco Drag Pipes Fits Harley 70-84 FX Models w/ Swingarm Frame (DBC-2620).
    $155.95
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    $155.95
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  •  Paughco - Rear Heat Shield

    Paughco - Rear Heat Shield

    Paughco

    $155.95
    Paughco Rear Heat Shield This heat shield is made for use with various Paughco brand exhaust systems.
    $155.95
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    $155.95
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  •  Paughco - Front Heat Shield

    Paughco - Front Heat Shield

    Paughco

    $155.95
    Paughco Front Heat Shield This heat shield is made for use with various Paughco brand exhaust systems. Fitment: YearMakeModel 1979 - 1980 Harley-Davidson 1200 Fat Bob - FXEF 1977 - 1979 Harley-Davidson 1200 Low Rider - FXS 1971 - 1978...
    $155.95
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    $155.95
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  • On Sale
    S&S Cycle S&S - Valve Spring Kit - Fits Harley '17-'18 M8 Models

    S&S - Valve Spring Kit - Fits Harley '17-'18 M8 Models

    S&S Cycle

    MSRP: $359.95
    Now: $356.36
    Was: $395.95
    S&S Valve Spring Kit For 2017-2018 M8 Models This replacement valve spring kit by S&S includes springs, top collars, keepers, valve seal/bottom collar; for Harley-Davidson Milwaukee Eight models between 2017-2018. Features: Include springs,...
    MSRP: $359.95
    Now: $356.36
    Was: $395.95
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    MSRP: $359.95
    Now: $356.36
    Was: $395.95
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  •  Drag Specialties - Top Motor Mount - Fits Harley '86-'94 Sportster XL Models  Drag Specialties - Top Motor Mount - Fits Harley '86-'94 Sportster XL Models

    Drag Specialties - Top Motor Mount - Fits Harley '86-'94 Sportster XL Models

    Drag Specialties

    $47.89
    Drag Specialties Top Motor Mount Top Motor Mount for your Harley Sportster by Drag Specialties. Features: High-quality, chrome motor mount Bolts not included unless noted Fitment: YearMakeModel 1986 - 1987 Harley-Davidson XLH...
    $47.89
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    $47.89
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  •  Feuling - 12 Point Engine Fastener Kit - fits '18 Softail

    Feuling - 12 Point Engine Fastener Kit - fits '18 Softail

    Feuling

    $299.95
    Feuling 12 Point Engine Fastener Kit for 2018 Harley Softail Models This Primary/Transmission stainless steel kit includes primary, engine-to-transmission, derby cover, transmission clutch release cover, top bearing housing cover, and transmission top...
    $299.95
    Qty in Cart: 0
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    $299.95
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  • Gardner-Westcott - Rocker Box Cover Sets Gardner-Westcott - Rocker Box Cover Sets

    Gardner-Westcott - Rocker Box Cover Sets

    Gardner-Westcott

    $35.95 - $53.95
    Gardner-Westcott Rocker Box Cover Sets: Made in the USA '66-'81, '81-'84 Shovelhead requires drilling to 3/8 diameter hole All Sets are chrome plated except for the one polished option
    $35.95 - $53.95
    Qty in Cart: 0
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  • James Gaskets - Oil Pump Seal Kit w/ Metal Gaskets - fits '92-'99 Evolution

    James Gaskets - Oil Pump Seal Kit w/ Metal Gaskets - fits '92-'99 Evolution

    James Gaskets

    $18.95
    James Gaskets Gasket Kits use state of the art materials and production methods to make the best gaskets available. Made in the USA Fitment: '92-'99 Evolution
    $18.95
    Qty in Cart: 0
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    $18.95
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  • HardDrive - Oil Filter Housing

    HardDrive - Oil Filter Housing

    HardDrive

    $89.95
    The HarDrive Oil Filter Housing: Meets OEM specifications Chrome finish Accepts all EVO style oil filters
    $89.95
    Qty in Cart: 0
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    $89.95
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  • On Sale
    Feuling - Oil Pumps - fits '99-'06 Twin Cam (exc. '06 Dyna)

    Feuling - Oil Pumps - fits '99-'06 Twin Cam (exc. '06 Dyna)

    Feuling

    MSRP: $507.95
    Now: $499.99
    Was: $507.95
    Fueling Oil Pumps : 7075 billet aluminum with military spec hard anodized, blue printed and designed for the racer The 7075 alloy is 50% harder and stronger then 6061 aluminum and holds tighter tolerance under temperature More pressure volume and...
    MSRP: $507.95
    Now: $499.99
    Was: $507.95
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    MSRP: $507.95
    Now: $499.99
    Was: $507.95
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  • On Sale
    S&S - Billet Oil Pump Kit - fits '78-'84 Big Twin Models

    S&S - Billet Oil Pump Kit - fits '78-'84 Big Twin Models

    S&S Cycle

    MSRP: $609.95
    Now: $584.96
    Was: $649.95
    The S&S Billet Oil Pump Kit: Kit includes oil pump, universal cover with top and bottom feeds, mounting bolts, supply and return gears, drive shaft with keys and snap rings, check ball and spring, pressure relief valve and spring, check ball and...
    MSRP: $609.95
    Now: $584.96
    Was: $649.95
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    MSRP: $609.95
    Now: $584.96
    Was: $649.95
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  • Colony - 8144-34 Cadmium Stock Engine Case Bolt Kit fits '79-'84 FX/FL, '84-'95 FXST, '86-'95 FLST Models Colony - 8144-34 Cadmium Stock Engine Case Bolt Kit fits '79-'84 FX/FL, '84-'95 FXST, '86-'95 FLST Models

    Colony - 8144-34 Cadmium Stock Engine Case Bolt Kit fits '79-'84 FX/FL, '84-'95 FXST, '86-'95 FLST Models

    Colony Machine

    $59.60
    Colony - 8144-34 Cadmium Stock Engine Case Bolt Kit fits '79-'84 FX/FL, '84-'95 FXST, '86-'95 FLST Models Engine case kit includes all the necessary hardware to bolt together engine cases. Fitment: FLT 1979-1995 FX 1979-1984 FXR 1982-1994 FXST...
    $59.60
    Qty in Cart: 0
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    $59.60
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  • On Sale
    Colony - Acorn Engine Case Bolt Kit - Chrome fits Harley FL, FX, FXD (see desc.)

    Colony - Acorn Engine Case Bolt Kit - Chrome fits Harley FL, FX, FXD (see desc.)

    Colony Machine

    MSRP: $70.95
    Now: $66.99
    Was: $70.95
    Engine case kit includes all the necessary hardware to bolt together engine cases. Fits: FL 1979-1984 FX 1979-1984 FXST 1984-1995 FXD 1991-1995 FLT 1979-1995 FLST 1986-1995 FXR 1982-1994
    MSRP: $70.95
    Now: $66.99
    Was: $70.95
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    MSRP: $70.95
    Now: $66.99
    Was: $70.95
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  • Colony - 8141-34 Cadmium Stock Engine Case Bolt Kit fits '70-'78 FL, '71-'78 FX Models Colony - 8141-34 Cadmium Stock Engine Case Bolt Kit fits '70-'78 FL, '71-'78 FX Models

    Colony - 8141-34 Cadmium Stock Engine Case Bolt Kit fits '70-'78 FL, '71-'78 FX Models

    Colony Machine

    $59.60
    Colony - 8141-34 Cadmium Stock Engine Case Bolt Kit fits '70-'78 FL, '71-'78 FX Models Engine case kit includes all the necessary hardware to bolt together engine cases. Fitment: FX 1971-1978 FL 1970-1978
    $59.60
    Qty in Cart: 0
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    $59.60
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  • Colony - Cylinder Head Engine Brace Mount - Cadmium fits '66-'84 FL and '71-'84 FX

    Colony - Cylinder Head Engine Brace Mount - Cadmium fits '66-'84 FL and '71-'84 FX

    Colony Machine

    $22.99
    Cylinder head engine brace mount. Fits: FL 1966-1984 FX 1971-1984
    $22.99
    Qty in Cart: 0
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    $22.99
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  • On Sale
    Colony - Cylinder Head Engine Brace Mount - Cadmium fits '48-'65 FL

    Colony - Cylinder Head Engine Brace Mount - Cadmium fits '48-'65 FL

    Colony Machine

    MSRP: $23.04
    Now: $22.99
    Was: $23.04
    Cylinder head engine brace mount with a cadmium finish. Fits: FL 1948-1965
    MSRP: $23.04
    Now: $22.99
    Was: $23.04
    Qty in Cart: 0
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    MSRP: $23.04
    Now: $22.99
    Was: $23.04
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  • Colony - Cylinder Head Engine Brace Mount - Parkerized fits '48-'65 FL

    Colony - Cylinder Head Engine Brace Mount - Parkerized fits '48-'65 FL

    Colony Machine

    $22.99
    Parkerized cylinder head engine brace mount. Fits: FL 1948-1965
    $22.99
    Qty in Cart: 0
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    $22.99
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  • On Sale
    Colony - Upper and Lower Allen Motor Mount Kit - fits '70-'84 FL, '71-'84 FX

    Colony - Upper and Lower Allen Motor Mount Kit - fits '70-'84 FL, '71-'84 FX

    Colony Machine

    MSRP: $46.25
    Now: $44.99
    Was: $46.25
    Upper and lower allen motor mount kit Fits: FL 1970-1984 FX 1971-1984
    MSRP: $46.25
    Now: $44.99
    Was: $46.25
    Qty in Cart: 0
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    MSRP: $46.25
    Now: $44.99
    Was: $46.25
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  • Total: items /

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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.