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Collection: Engine

Engines and Engine Parts for Your Harley Davidson
1000 products
  • Woodruff Key
    Woodruff Key
    Regular price
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    Sale price
    $0.95
    Unit price
    per 
  • James Complete Engine Gasket Kit 72/85 XL Sportster
    James Complete Engine Gasket Kit 72/85 XL Sportster
    Regular price
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    Sale price
    $86.95
    Unit price
    per 
  • Manley Severe Duty Exhaust Valve 1340cc Evolution 80ci 1984 / up
    Manley Severe Duty Exhaust Valve 1340cc Evolution 80ci 1984 / up
    Regular price
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    Sale price
    $67.95
    Unit price
    per 
  • Oil Pump Mounting Hardware Kit (Big Twin OHV 1936-1967)
    Oil Pump Mounting Hardware Kit (Big Twin OHV 1936-1967)
    Regular price
    $28.95
    Sale price
    $28.95
    Unit price
    per 
  • Oil Pump And Washer Kit (Chrome Plated)
    Oil Pump And Washer Kit (Chrome Plated)
    Regular price
    $12.95
    Sale price
    $12.95
    Unit price
    per 
  • Performance Valve Springs (Big Twin, Inner Springs)
    Performance Valve Springs (Big Twin, Inner Springs)
    Regular price
    $34.95
    Sale price
    $34.95
    Unit price
    per 
  • Top End Gasket Kit For 900cc Sportster 1957-1971
    Top End Gasket Kit For 900cc Sportster 1957-1971
    Regular price
    $46.95
    Sale price
    $46.95
    Unit price
    per 
  • Big Twin Crankcase Oil Screen (1970-1999 Big Twin)
    Big Twin Crankcase Oil Screen (1970-1999 Big Twin)
    Regular price
    $8.95
    Sale price
    $8.95
    Unit price
    per 
  • Tappet Block Screw Kit (Big Twin 1936-1976, Hex Head)
    Tappet Block Screw Kit (Big Twin 1936-1976, Hex Head)
    Regular price
    $13.95
    Sale price
    $13.95
    Unit price
    per 
  • Top End Gasket Kit For Evolution Big Twin (1992-1999, 1340cc)
    Top End Gasket Kit For Evolution Big Twin (1992-1999, 1340cc)
    Regular price
    $95.95
    Sale price
    $95.95
    Unit price
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  • Complete Gasket Kit For Big Twin Evolution (1340cc, 1992-1999)
    Complete Gasket Kit For Big Twin Evolution (1340cc, 1992-1999)
    Regular price
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    Sale price
    $91.95
    Unit price
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  • Complete Allen Head Engine Mount Hardware Kit (Pan, Shovel All Y
    Complete Allen Head Engine Mount Hardware Kit (Pan, Shovel All Y
    Regular price
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    Sale price
    $22.95
    Unit price
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  • Cam Shims For Big Twin 1936-1987 (.050)
    Cam Shims For Big Twin 1936-1987 (.050)
    Regular price
    $1.95
    Sale price
    $1.95
    Unit price
    per 
  • Compression Release Valves (Big Twin, Sportster)
    Compression Release Valves (Big Twin, Sportster)
    Regular price
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    Sale price
    $46.90
    Unit price
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  • Hydraulic Pushrod Kit (Big Twin 1966-1984)
    Hydraulic Pushrod Kit (Big Twin 1966-1984)
    Regular price
    $25.95
    Sale price
    $25.95
    Unit price
    per 
  • Hastings Piston Rings (Big Twin, 1978-Early 1983, Shovel, 80ci-1
    Hastings Piston Rings (Big Twin, 1978-Early 1983, Shovel, 80ci-1
    Regular price
    $50.95
    Sale price
    $50.95
    Unit price
    per 
  • Engine Head Gasket (Ironhead Sportster 1979-Later)
    Engine Head Gasket (Ironhead Sportster 1979-Later)
    Regular price
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    Sale price
    $3.25
    Unit price
    per 
  • Engine Head Gasket (Big Twin Evolution All Years)
    Engine Head Gasket (Big Twin Evolution All Years)
    Regular price
    $2.60
    Sale price
    $2.60
    Unit price
    per 
  • Cam Cover Gasket (1952-1980, Sportser)
    Cam Cover Gasket (1952-1980, Sportser)
    Regular price
    $3.95
    Sale price
    $3.95
    Unit price
    per 
  • Cam Shims For Sportster (1954-1985, .007 Inch)
    Cam Shims For Sportster (1954-1985, .007 Inch)
    Regular price
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    Sale price
    $1.95
    Unit price
    per 
  • Engine Breather Manifold Kit (Sportster Evolution 1991-Later)
    Engine Breather Manifold Kit  (Sportster Evolution 1991-Later)
    Regular price
    $29.95
    Sale price
    $29.95
    Unit price
    per 
  • Cams For Big Twin Evolution (EV27)
    Cams For Big Twin Evolution (EV27)
    Regular price
    $158.95
    Sale price
    $158.95
    Unit price
    per 
  • Ram Jett Seals (4)
    Ram Jett Seals (4)
    Regular price
    $8.10
    Sale price
    $8.10
    Unit price
    per 
  • Lower Valve Spring Collar Set (Ironhead Sportster 1957-Later)
    Lower Valve Spring Collar Set (Ironhead Sportster 1957-Later)
    Regular price
    $22.49
    Sale price
    $22.49
    Unit price
    per 
  • Sportster Evolution (883cc, 1100cc-1200cc Conversion, 9 To 1, St
    Sportster Evolution (883cc, 1100cc-1200cc Conversion, 9 To 1, St
    Regular price
    $209.95
    Sale price
    $209.95
    Unit price
    per 
  • Pistons For Knucklehead, Panhead, Shovelhead (74ci, 1200cc, 8.5
    Pistons For Knucklehead, Panhead, Shovelhead (74ci, 1200cc, 8.5
    Regular price
    $184.95
    Sale price
    $184.95
    Unit price
    per 
  • Hastings Piston Rings for Big Bore 3 5/8 Inch Shovel (.020. Pist
    Hastings Piston Rings for Big Bore 3 5/8 Inch Shovel (.020. Pist
    Regular price
    $49.95
    Sale price
    $49.95
    Unit price
    per 
  • Adjustable Pushrod Kit For Shovel (Chrome-Moly)
    Adjustable Pushrod Kit For Shovel (Chrome-Moly)
    Regular price
    $81.20
    Sale price
    $81.20
    Unit price
    per 
  • Heavy Duty Top Engine Mount (Big Twin Evolution)
    Heavy Duty Top Engine Mount (Big Twin Evolution)
    Regular price
    $31.91
    Sale price
    $31.91
    Unit price
    per 
  • Cooling Air Scoop For Big Twin
    Cooling Air Scoop For Big Twin
    Regular price
    $58.17
    Sale price
    $58.17
    Unit price
    per 
  • Engine Head Gasket (Shovelhead 1966-Later)
    Engine Head Gasket (Shovelhead 1966-Later)
    Regular price
    $8.95
    Sale price
    $8.95
    Unit price
    per 
  • Oil Deflector Plate (Big Twin)
    Oil Deflector Plate (Big Twin)
    Regular price
    $10.95
    Sale price
    $10.95
    Unit price
    per 
  • Engine Case Drain Plug (Hex Head With Copper Sealing Washer)
    Engine Case Drain Plug (Hex Head With Copper Sealing Washer)
    Regular price
    $8.95
    Sale price
    $8.95
    Unit price
    per 
  • Big Bore Cylinder (Front, 3 5/8 Inch, Shovel)
    Big Bore Cylinder (Front, 3 5/8 Inch, Shovel)
    Regular price
    $150.00
    Sale price
    $150.00
    Unit price
    per 
  • Rod Assembly (Big Twin Late 1983-Later, Including Evolution)
    Rod Assembly (Big Twin Late 1983-Later, Including Evolution)
    Regular price
    $275.95
    Sale price
    $275.95
    Unit price
    per 
  • Front Replacement Cylinder (Shovelhead 74ci)
    Front Replacement Cylinder (Shovelhead 74ci)
    Regular price
    $133.95
    Sale price
    $133.95
    Unit price
    per 
  • Cams For Twin Cam 88 Engine (Twin 88s, TW44 Grind) ANDREWS
    Cams For Twin Cam 88 Engine (Twin 88s, TW44 Grind)
    Regular price
    $315.95
    Sale price
    $315.95
    Unit price
    per 
  • Crank Pin (Late 1981-1994 All XL Models)MADE IN USA.
    Crank Pin (Late 1981-1994 All XL Models)MADE IN USA.
    Regular price
    $50.00
    Sale price
    $50.00
    Unit price
    per 
  • Pinion Shaft (Late 1981-1985, XL's With Common Taper)MADE IN USA
    Pinion Shaft (Late 1981-1985, XL's With Common Taper)MADE IN USA
    Regular price
    $50.00
    Sale price
    $50.00
    Unit price
    per 
  • 74" Inch Rear Cylinder (Panhead 1948-1965)
    74
    Regular price
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    Sale price
    $121.95
    Unit price
    per