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Harley Engine

Harley Engine

Harley Engine

Power your bike with precision-engineered engine components like crankshafts, connecting rods, and complete engine systems. Check out our high-performance Harley engine parts for peak reliability and output.

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  • WISECO Piston Kit - .030 - Evolution - Big Twin K1643

    WISECO Piston Kit - .030 - Evolution - Big Twin K1643

    WISECO

    $384.95
    WISECO Piston Kit .030 Evolution Big Twin K1643Forged from high-silicon aluminum alloy for maximum strength and dependability, Contain all the necessary components for overboring or rebuilding your top end, Feature forged pistons, rings, wrist pins,...
    K1643
    SKU:
    K1643
    Availability:
    Ships Same Business Day
    Weight:
    2.55 LBS
    COMPRESSION RATIO IMPERIAL:
    8.5:1
    RIDING STYLE:
    STREET
    BORE - OVERSIZE:
    +0,030'
    BORE OVERSIZE - IMPERIAL:
    +0.030'
    PRODUCT NAME:
    REBUILD KIT
    STROKE LENGTH IMPERIAL:
    4-1/4'
    TYPE:
    TOP END
    BORE SIZE IMPERIAL:
    3.528'
    PISTON MATERIAL:
    ALUMINUM
    PISTON MATERIAL:
    FORGED
    DISPLACEMENT:
    1361 CC
    UNITS:
    EACH
    $384.95
    Qty in Cart: 0
    Quantity:
    Price:
    $384.95
    Subtotal:
  • WISECO Piston Kit - Standard - .883 - XL K1655

    WISECO Piston Kit - Standard - .883 - XL K1655

    WISECO

    $409.95
    WISECO Piston Kit Standard .883 XL K1655Forged from high-silicon aluminum alloy for maximum strength and dependability, Contain all the necessary components for overboring or rebuilding your top end, Feature forged pistons, rings, wrist pins, circlips,...
    K1655
    SKU:
    K1655
    Availability:
    Ships Same Business Day
    Weight:
    2.25 LBS
    BORE SIZE IMPERIAL:
    3.498'
    TYPE:
    TOP END
    UNITS:
    EACH
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    9.5:1
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    3-13/16'
    DISPLACEMENT:
    1200 CC
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    REBUILD KIT
    $409.95
    Qty in Cart: 0
    Quantity:
    Price:
    $409.95
    Subtotal:
  • WISECO Piston Kit - .010 - .883 - XL K1656

    WISECO Piston Kit - .010 - .883 - XL K1656

    WISECO

    $409.95
    WISECO Piston Kit .010 .883 XL K1656Forged from high-silicon aluminum alloy for maximum strength and dependability, Contain all the necessary components for overboring or rebuilding your top end, Feature forged pistons, rings, wrist pins, circlips, and...
    K1656
    SKU:
    K1656
    Availability:
    Ships Same Business Day
    Weight:
    2.35 LBS
    BORE - OVERSIZE:
    +0,010'
    BORE SIZE IMPERIAL:
    3.508'
    TYPE:
    TOP END
    UNITS:
    EACH
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    PISTON MATERIAL:
    ALUMINUM
    STROKE LENGTH IMPERIAL:
    3-13/16'
    COMPRESSION RATIO IMPERIAL:
    9.5:1
    DISPLACEMENT:
    1200 CC
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    STREET
    $409.95
    Qty in Cart: 0
    Quantity:
    Price:
    $409.95
    Subtotal:
  • WISECO Piston Kit - Standard - 1988-2003 - 1200 K1660

    WISECO Piston Kit - Standard - 1988-2003 - 1200 K1660

    WISECO

    $409.95
    WISECO Piston Kit Standard 1988-2003 1200 K1660Forged from high-silicon aluminum alloy for maximum strength and dependability, Contain all the necessary components for overboring or rebuilding your top end, Feature forged pistons, rings, wrist pins,...
    K1660
    SKU:
    K1660
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    BORE SIZE IMPERIAL:
    3.498'
    TYPE:
    TOP END
    UNITS:
    EACH
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    3-13/16'
    DISPLACEMENT:
    1200 CC
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    REBUILD KIT
    $409.95
    Qty in Cart: 0
    Quantity:
    Price:
    $409.95
    Subtotal:
  • WISECO Piston Kt - .020 - 1988-2003 - 1200 K1662

    WISECO Piston Kt - .020 - 1988-2003 - 1200 K1662

    WISECO

    $409.95
    WISECO Piston Kt .020 1988-2003 1200 K1662Forged from high-silicon aluminum alloy for maximum strength and dependability, Contain all the necessary components for overboring or rebuilding your top end, Feature forged pistons, rings, wrist pins, circlips,...
    K1662
    SKU:
    K1662
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    BORE - OVERSIZE:
    +0,020'
    PISTON MATERIAL:
    ALUMINUM
    TYPE:
    TOP END
    BORE SIZE IMPERIAL:
    3.498'
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    3-13/16'
    UNITS:
    EACH
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    DISPLACEMENT:
    1200 CC
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    REBUILD KIT
    $409.95
    Qty in Cart: 0
    Quantity:
    Price:
    $409.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Piston Kit RP301-119W

    REVOLUTION PERFORMANCE, LLC Piston Kit RP301-119W

    REVOLUTION PERFORMANCE, LLC

    $529.95
    REVOLUTION PERFORMANCE, LLC Piston Kit RP301-119WTop-quality custom-forged piston kits manufactured with high-strength aluminum alloy, Include pistons with skirt coating, rings, chrome piston pins and retainer clips, High-tech manufacturing ensures...
    09106376
    SKU:
    09106376
    Availability:
    Ships Same Business Day
    Weight:
    2.95 LBS
    STROKE LENGTH IMPERIAL:
    4-3/8'
    DISPLACEMENT:
    117'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    COMPRESSION RATIO IMPERIAL:
    10.6:1
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    4.125'
    PISTON HEAD SHAPE:
    DISHED
    $529.95
    Qty in Cart: 0
    Quantity:
    Price:
    $529.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Piston Kit RP301-119WD

    REVOLUTION PERFORMANCE, LLC Piston Kit RP301-119WD

    REVOLUTION PERFORMANCE, LLC

    $529.95
    REVOLUTION PERFORMANCE, LLC Piston Kit RP301-119WDTop-quality custom-forged piston kits manufactured with high-strength aluminum alloy, Include pistons with skirt coating, rings, chrome piston pins and retainer clips, High-tech manufacturing ensures...
    09106377
    SKU:
    09106377
    Availability:
    Ships Same Business Day
    Weight:
    3.05 LBS
    STROKE LENGTH IMPERIAL:
    4-3/8'
    UNITS:
    KIT
    DISPLACEMENT:
    117'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    4.125'
    COMPRESSION RATIO IMPERIAL:
    11.2:1
    PISTON HEAD SHAPE:
    DOMED
    $529.95
    Qty in Cart: 0
    Quantity:
    Price:
    $529.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Piston Kit RP301-111W

    REVOLUTION PERFORMANCE, LLC Piston Kit RP301-111W

    REVOLUTION PERFORMANCE, LLC

    $529.95
    REVOLUTION PERFORMANCE, LLC Piston Kit RP301-111WTop-quality custom-forged piston kits manufactured with high-strength aluminum alloy, Include pistons with skirt coating, rings, chrome piston pins and retainer clips, High-tech manufacturing ensures...
    09106378
    SKU:
    09106378
    Availability:
    Ships Same Business Day
    Weight:
    3.35 LBS
    STROKE LENGTH IMPERIAL:
    4-3/8'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    4.250'
    DISPLACEMENT:
    124'
    UNITS:
    KIT
    COMPRESSION RATIO IMPERIAL:
    11.2:1
    PISTON HEAD SHAPE:
    FLAT TOP
    $529.95
    Qty in Cart: 0
    Quantity:
    Price:
    $529.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Piston Kit RP301-113W

    REVOLUTION PERFORMANCE, LLC Piston Kit RP301-113W

    REVOLUTION PERFORMANCE, LLC

    $527.95
    REVOLUTION PERFORMANCE, LLC Piston Kit RP301-113WTop-quality custom-forged piston kits manufactured with high-strength aluminum alloy, Include pistons with skirt coating, rings, chrome piston pins and retainer clips, High-tech manufacturing ensures...
    09106379
    SKU:
    09106379
    Availability:
    Ships Same Business Day
    Weight:
    2.95 LBS
    BORE SIZE IMPERIAL:
    4.250'
    COMPRESSION RATIO IMPERIAL:
    11.4:1
    DISPLACEMENT:
    131'
    STROKE LENGTH IMPERIAL:
    4-5/8'
    UNITS:
    KIT
    PISTON HEAD SHAPE:
    FLAT TOP
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    PISTON KIT
    $527.95
    Qty in Cart: 0
    Quantity:
    Price:
    $527.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Piston Kit RP301-601W

    REVOLUTION PERFORMANCE, LLC Piston Kit RP301-601W

    REVOLUTION PERFORMANCE, LLC

    $499.95
    REVOLUTION PERFORMANCE, LLC Piston Kit RP301-601WTop-quality custom-forged piston kits manufactured with high-strength aluminum alloy, Include pistons with skirt coating, rings, chrome piston pins and retainer clips, High-tech manufacturing ensures...
    09106380
    SKU:
    09106380
    Availability:
    Ships Same Business Day
    Weight:
    3.45 LBS
    COMPRESSION RATIO IMPERIAL:
    11.2:1
    UNITS:
    KIT
    DISPLACEMENT:
    124'
    PISTON HEAD SHAPE:
    FLAT TOP
    BORE SIZE IMPERIAL:
    4.250'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4-3/8'
    $499.95
    Qty in Cart: 0
    Quantity:
    Price:
    $499.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Ring Set RP4250VMF

    REVOLUTION PERFORMANCE, LLC Ring Set RP4250VMF

    REVOLUTION PERFORMANCE, LLC

    $69.95
    REVOLUTION PERFORMANCE, LLC Ring Set RP4250VMFGas nitride-coated rings offer the ultimate compatibility with nickel-silicon-carbide-plated bores, Replacement piston rings are available separately (sold as a set for one piston), Made in the U.S.A., Not...
    09120917
    SKU:
    09120917
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    COMPRESSION RATIO IMPERIAL:
    11.2:1
    PRODUCT NAME:
    RING SET
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4-3/8'
    UNITS:
    SET
    BORE SIZE IMPERIAL:
    4.250'
    DISPLACEMENT:
    124'
    PISTON HEAD SHAPE:
    FLAT TOP
    $69.95
    Qty in Cart: 0
    Quantity:
    Price:
    $69.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Ring Set RPS2M8510.STD-C

    REVOLUTION PERFORMANCE, LLC Ring Set RPS2M8510.STD-C

    REVOLUTION PERFORMANCE, LLC

    $69.95
    REVOLUTION PERFORMANCE, LLC Ring Set RPS2M8510.STD-CGas nitride-coated rings offer the ultimate compatibility with nickel-silicon-carbide-plated bores, Replacement piston rings are available separately (sold as a set for one piston), Made in the U.S.A.,...
    09120918
    SKU:
    09120918
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BORE SIZE IMPERIAL:
    4.250'
    PISTON HEAD SHAPE:
    FLAT TOP
    COMPRESSION RATIO IMPERIAL:
    11.3:1
    STROKE LENGTH IMPERIAL:
    4-1/2'
    UNITS:
    SET
    PRODUCT NAME:
    RING SET
    RIDING STYLE:
    STREET
    DISPLACEMENT:
    128'
    Qty in Cart: 0
    Quantity:
    Price:
    $69.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Ring Set RP4125VMF

    REVOLUTION PERFORMANCE, LLC Ring Set RP4125VMF

    REVOLUTION PERFORMANCE, LLC

    $69.95
    REVOLUTION PERFORMANCE, LLC Ring Set RP4125VMFGas nitride-coated rings offer the ultimate compatibility with nickel-silicon-carbide-plated bores, Replacement piston rings are available separately (sold as a set for one piston), Made in the U.S.A., Not...
    09120919
    SKU:
    09120919
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    UNITS:
    SET
    COMPRESSION RATIO IMPERIAL:
    11.0:1
    PISTON HEAD SHAPE:
    DOMED
    STROKE LENGTH IMPERIAL:
    4-5/8'
    BORE SIZE IMPERIAL:
    4.125'
    DISPLACEMENT:
    124'
    PRODUCT NAME:
    RING SET
    RIDING STYLE:
    STREET
    $69.95
    Qty in Cart: 0
    Quantity:
    Price:
    $69.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Ring Set RPS2M8535.STD-C

    REVOLUTION PERFORMANCE, LLC Ring Set RPS2M8535.STD-C

    REVOLUTION PERFORMANCE, LLC

    $102.95
    REVOLUTION PERFORMANCE, LLC Ring Set RPS2M8535.STD-CGas nitride-coated rings offer the ultimate compatibility with nickel-silicon-carbide-plated bores, Replacement piston rings are available separately (sold as a set for one piston), Made in the U.S.A.,...
    09120920
    SKU:
    09120920
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    DISPLACEMENT:
    143'
    PISTON HEAD SHAPE:
    FLAT TOP
    PRODUCT NAME:
    RING SET
    RIDING STYLE:
    STREET
    DISPLACEMENT:
    139'
    UNITS:
    SET
    BORE SIZE IMPERIAL:
    4.500'
    $102.95
    Qty in Cart: 0
    Quantity:
    Price:
    $102.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Ring Set RP9050XX

    REVOLUTION PERFORMANCE, LLC Ring Set RP9050XX

    REVOLUTION PERFORMANCE, LLC

    $69.95
    REVOLUTION PERFORMANCE, LLC Ring Set RP9050XXGas nitride-coated rings offer the ultimate compatibility with nickel-silicon-carbide-plated bores, Replacement piston rings are available separately (sold as a set for one piston), Made in the U.S.A., Not...
    09120921
    SKU:
    09120921
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    STROKE LENGTH IMPERIAL:
    3-15/16'
    UNITS:
    SET
    PRODUCT NAME:
    RING SET
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.563'
    DISPLACEMENT:
    1250 CC
    $69.95
    Qty in Cart: 0
    Quantity:
    Price:
    $69.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Ring Set RP3875XK

    REVOLUTION PERFORMANCE, LLC Ring Set RP3875XK

    REVOLUTION PERFORMANCE, LLC

    $57.95
    REVOLUTION PERFORMANCE, LLC Ring Set RP3875XKGas nitride-coated rings offer the ultimate compatibility with nickel-silicon-carbide-plated bores, Replacement piston rings are available separately (sold as a set for one piston), Made in the U.S.A., Not...
    09120922
    SKU:
    09120922
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BORE SIZE IMPERIAL:
    3.875'
    COMPRESSION RATIO IMPERIAL:
    10.8:1
    PRODUCT NAME:
    RING SET
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    3-13/16'
    DISPLACEMENT:
    90'
    PISTON HEAD SHAPE:
    FLAT TOP
    UNITS:
    SET
    $57.95
    Qty in Cart: 0
    Quantity:
    Price:
    $57.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-101W

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-101W

    REVOLUTION PERFORMANCE, LLC

    $1,479.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-101WREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311026
    SKU:
    09311026
    Availability:
    Ships Same Business Day
    Weight:
    22.70 LBS
    STROKE LENGTH IMPERIAL:
    4'
    UNITS:
    KIT
    COMPRESSION RATIO IMPERIAL:
    10.3:1
    DISPLACEMENT:
    98'
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.9375'
    COLOR/FINISH:
    NATURAL
    PRODUCT NAME:
    CYLINDER KIT
    $1,479.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,479.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-103W

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-103W

    REVOLUTION PERFORMANCE, LLC

    $1,479.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-103WREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311027
    SKU:
    09311027
    Availability:
    Ships Same Business Day
    Weight:
    23.00 LBS
    COLOR/FINISH:
    HIGHLIGHTED FINS
    COMPRESSION RATIO IMPERIAL:
    10.3:1
    DISPLACEMENT:
    98'
    BORE SIZE IMPERIAL:
    3.9375'
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    CYLINDER KIT
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4'
    UNITS:
    KIT
    $1,479.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,479.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-110W

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-110W

    REVOLUTION PERFORMANCE, LLC

    $1,479.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-110WREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311028
    SKU:
    09311028
    Availability:
    Ships Same Business Day
    Weight:
    22.70 LBS
    COLOR/FINISH:
    NATURAL
    COMPRESSION RATIO IMPERIAL:
    9.3:1
    BORE SIZE IMPERIAL:
    3.9375'
    RIDING STYLE:
    STREET
    DISPLACEMENT:
    98'
    PRODUCT NAME:
    CYLINDER KIT
    STROKE LENGTH IMPERIAL:
    4'
    UNITS:
    KIT
    $1,479.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,479.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-111W

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-111W

    REVOLUTION PERFORMANCE, LLC

    $1,479.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-111WREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311029
    SKU:
    09311029
    Availability:
    Ships Same Business Day
    Weight:
    22.80 LBS
    COMPRESSION RATIO IMPERIAL:
    9.3:1
    BORE SIZE IMPERIAL:
    3.9375'
    COLOR/FINISH:
    BLACK
    UNITS:
    KIT
    COLOR/FINISH:
    HIGHLIGHTED FINS
    PRODUCT NAME:
    CYLINDER KIT
    STROKE LENGTH IMPERIAL:
    4'
    DISPLACEMENT:
    98'
    RIDING STYLE:
    STREET
    $1,479.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,479.95
    Subtotal:
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