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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  with Gasket - VM Ring VT2709

    WISECO Piston Kit with Gasket - VM Ring VT2709

    WISECO

    $659.95
    WISECO Piston Kit with Gasket VM Ring VT2709Forged 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,...
    09030787
    SKU:
    09030787
    Availability:
    Ships Same Business Day
    Weight:
    4.05 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    REBUILD KIT
    UNITS:
    EACH
    PISTON MATERIAL:
    ALUMINUM
    STROKE LENGTH IMPERIAL:
    4'
    BORE SIZE IMPERIAL:
    3.875'
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    RIDING STYLE:
    STREET
    DISPLACEMENT:
    1546 CC
    TYPE:
    TOP END
    $659.95
    Qty in Cart: 0
    Quantity:
    Price:
    $659.95
    Subtotal:
  • WISECO Piston Kit  with Gasket - VM Ring VT2711

    WISECO Piston Kit with Gasket - VM Ring VT2711

    WISECO

    $659.95
    WISECO Piston Kit with Gasket VM Ring VT2711Forged 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,...
    09030789
    SKU:
    09030789
    Availability:
    Ships Same Business Day
    Weight:
    4.12 LBS
    BORE - OVERSIZE:
    +0,010'
    TYPE:
    TOP END
    UNITS:
    EACH
    DISPLACEMENT:
    1554 CC
    PISTON MATERIAL:
    ALUMINUM
    PISTON MATERIAL:
    FORGED
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    BORE SIZE IMPERIAL:
    3.875'
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4'
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    PRODUCT NAME:
    REBUILD KIT
    $659.95
    Qty in Cart: 0
    Quantity:
    Price:
    $659.95
    Subtotal:
  • WISECO Piston Kit  with Gasket - VM Ring VT2712

    WISECO Piston Kit with Gasket - VM Ring VT2712

    WISECO

    $659.95
    WISECO Piston Kit with Gasket VM Ring VT2712Forged 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,...
    09030790
    SKU:
    09030790
    Availability:
    Ships Same Business Day
    Weight:
    4.07 LBS
    PISTON MATERIAL:
    ALUMINUM
    TYPE:
    TOP END
    BORE SIZE IMPERIAL:
    3.875'
    DISPLACEMENT:
    1562 CC
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    STROKE LENGTH IMPERIAL:
    4'
    BORE - OVERSIZE:
    +0,020'
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    PRODUCT NAME:
    REBUILD KIT
    $659.95
    Qty in Cart: 0
    Quantity:
    Price:
    $659.95
    Subtotal:
  • WISECO Piston Kit - Big Twin K1668

    WISECO Piston Kit - Big Twin K1668

    WISECO

    $409.95
    WISECO Piston Kit Big Twin K1668Forged 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 top...
    K1668
    SKU:
    K1668
    Availability:
    Ships Same Business Day
    Weight:
    2.56 LBS
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.528'
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    PISTON MATERIAL:
    ALUMINUM
    BORE - OVERSIZE:
    +0,030'
    BORE OVERSIZE - IMPERIAL:
    +0.030'
    DISPLACEMENT:
    1361 CC
    STROKE LENGTH IMPERIAL:
    4-1/4'
    TYPE:
    TOP END
    UNITS:
    EACH
    $409.95
    Qty in Cart: 0
    Quantity:
    Price:
    $409.95
    Subtotal:
  • WISECO Piston Kit - Big Twin K1669

    WISECO Piston Kit - Big Twin K1669

    WISECO

    $409.95
    WISECO Piston Kit Big Twin K1669Forged 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 top...
    K1669
    SKU:
    K1669
    Availability:
    Ships Same Business Day
    Weight:
    2.55 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.040'
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    REBUILD KIT
    BORE - OVERSIZE:
    +0,040'
    DISPLACEMENT:
    1369 CC
    PISTON MATERIAL:
    ALUMINUM
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.538'
    STROKE LENGTH IMPERIAL:
    4-1/4'
    TYPE:
    TOP END
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $409.95
    Subtotal:
  • WISECO Piston Ring Set 3875VM

    WISECO Piston Ring Set 3875VM

    WISECO

    $49.95
    WISECO Piston Ring Set 3875VMReplacement rings include rings for one piston only
    09120285
    SKU:
    09120285
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MODEL:
    VM SERIES
    PRODUCT NAME:
    PISTON RING
    RING MATERIAL:
    STEEL
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    BORE SIZE IMPERIAL:
    3.875'
    RIDING STYLE:
    STREET
    DISPLACEMENT:
    95'
    UNITS:
    SET
    $49.95
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • WISECO Piston Ring Set 3880VM

    WISECO Piston Ring Set 3880VM

    WISECO

    $49.95
    WISECO Piston Ring Set 3880VMReplacement rings include rings for one piston only
    09120286
    SKU:
    09120286
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    BORE - OVERSIZE:
    +0,005'
    MODEL:
    VM SERIES
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    STREET
    RING MATERIAL:
    STEEL
    UNITS:
    SET
    BORE OVERSIZE - IMPERIAL:
    +0.005'
    BORE SIZE IMPERIAL:
    3.875'
    DISPLACEMENT:
    95'
    $49.95
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • WISECO Piston Ring Set 3875XK

    WISECO Piston Ring Set 3875XK

    WISECO

    $44.95
    WISECO Piston Ring Set 3875XKReplacement rings include rings for one piston only
    09120145
    SKU:
    09120145
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    PISTON RING
    MODEL:
    X SERIES
    RING MATERIAL:
    STEEL
    UNITS:
    SET
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    DISPLACEMENT:
    103'
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.875'
    $44.95
    Qty in Cart: 0
    Quantity:
    Price:
    $44.95
    Subtotal:
  • WISECO Ring Set 3880XK

    WISECO Ring Set 3880XK

    WISECO

    $44.95
    WISECO Ring Set 3880XKReplacement rings include rings for one piston only
    09120146
    SKU:
    09120146
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.005'
    DISPLACEMENT:
    103'
    RING MATERIAL:
    STEEL
    UNITS:
    SET
    BORE - OVERSIZE:
    +0,005'
    MODEL:
    X SERIES
    BORE SIZE IMPERIAL:
    3.875'
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    PISTON RING
    $44.95
    Qty in Cart: 0
    Quantity:
    Price:
    $44.95
    Subtotal:
  • WISECO Ring Set - Big Twin 3437X

    WISECO Ring Set - Big Twin 3437X

    WISECO

    $49.95
    WISECO Ring Set Big Twin 3437XReplacement rings include rings for one piston only.
    3437X
    SKU:
    3437X
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    BORE - OVERSIZE:
    STANDARD
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.437'
    MODEL:
    X-RING
    RING MATERIAL:
    STEEL
    UNITS:
    SET
    $49.95
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • WISECO Ring Set - XL 3188X

    WISECO Ring Set - XL 3188X

    WISECO

    $49.95
    WISECO Ring Set XL 3188XReplacement rings include rings for one piston only.
    3188X
    SKU:
    3188X
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    BORE SIZE IMPERIAL:
    3.1875'
    RING MATERIAL:
    STEEL
    MODEL:
    X-RING
    PRODUCT NAME:
    PISTON RING
    RIDING STYLE:
    STREET
    UNITS:
    SET
    $49.95
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • WISECO Piston Kt - 2004-2017 XL 1200 - .020 K1748

    WISECO Piston Kt - 2004-2017 XL 1200 - .020 K1748

    WISECO

    $424.95
    WISECO Piston Kt 2004-2017 XL 1200 .020 K1748Forged 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,...
    09030585
    SKU:
    09030585
    Availability:
    Ships Same Business Day
    Weight:
    2.24 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    DISPLACEMENT:
    1200 CC
    BORE - OVERSIZE:
    +0,020'
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    PRODUCT NAME:
    REBUILD KIT
    BORE SIZE IMPERIAL:
    3.498'
    TYPE:
    TOP END
    UNITS:
    EACH
    PISTON MATERIAL:
    ALUMINUM
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    3-13/16'
    $424.95
    Qty in Cart: 0
    Quantity:
    Price:
    $424.95
    Subtotal:
  • WISECO Piston Kit - .040 - 1972-1985 - XL K1604

    WISECO Piston Kit - .040 - 1972-1985 - XL K1604

    WISECO

    $344.95
    WISECO Piston Kit .040 1972-1985 XL K1604Forged 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,...
    K1604
    SKU:
    K1604
    Availability:
    Ships Same Business Day
    Weight:
    3.00 LBS
    PISTON MATERIAL:
    ALUMINUM ALLOY
    TYPE:
    TOP END
    UNITS:
    EACH
    BORE OVERSIZE - IMPERIAL:
    +0.040'
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    DISPLACEMENT:
    1022 CC
    STROKE LENGTH IMPERIAL:
    3-13/16'
    BORE - OVERSIZE:
    +0,040'
    BORE SIZE IMPERIAL:
    3.228'
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    STREET
    $344.95
    Qty in Cart: 0
    Quantity:
    Price:
    $344.95
    Subtotal:
  • WISECO Piston Kit - Standard - 1948-1980 - Big Twin K1605

    WISECO Piston Kit - Standard - 1948-1980 - Big Twin K1605

    WISECO

    $344.95
    WISECO Piston Kit Standard 1948-1980 Big Twin K1605Forged 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,...
    K1605
    SKU:
    K1605
    Availability:
    Ships Same Business Day
    Weight:
    3.25 LBS
    STROKE LENGTH IMPERIAL:
    3-31/32'
    TYPE:
    TOP END
    UNITS:
    EACH
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    STREET
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    BORE SIZE IMPERIAL:
    3.437'
    DISPLACEMENT:
    1200 CC
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    REBUILD KIT
    $344.95
    Qty in Cart: 0
    Quantity:
    Price:
    $344.95
    Subtotal:
  • WISECO Piston Kit - .010 - 1948-1980 - Big Twin K1606

    WISECO Piston Kit - .010 - 1948-1980 - Big Twin K1606

    WISECO

    $344.95
    WISECO Piston Kit .010 1948-1980 Big Twin K1606Forged 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,...
    K1606
    SKU:
    K1606
    Availability:
    Ships Same Business Day
    Weight:
    3.25 LBS
    DISPLACEMENT:
    1213 CC
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    TOP END
    BORE - OVERSIZE:
    +0,010'
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    PISTON MATERIAL:
    FORGED
    STROKE LENGTH IMPERIAL:
    3-31/32'
    BORE SIZE IMPERIAL:
    3.447'
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    RIDING STYLE:
    STREET
    $344.95
    Qty in Cart: 0
    Quantity:
    Price:
    $344.95
    Subtotal:
  • WISECO Piston Kit - 0.20 - 1948-1980 Big Twin K1607

    WISECO Piston Kit - 0.20 - 1948-1980 Big Twin K1607

    WISECO

    $344.95
    WISECO Piston Kit 0.20 1948-1980 Big Twin K1607Forged 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,...
    K1607
    SKU:
    K1607
    Availability:
    Ships Same Business Day
    Weight:
    3.19 LBS
    BORE SIZE IMPERIAL:
    3.457'
    PISTON MATERIAL:
    ALUMINUM ALLOY
    TYPE:
    TOP END
    UNITS:
    EACH
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    PISTON MATERIAL:
    FORGED
    STROKE LENGTH IMPERIAL:
    3-31/32'
    BORE - OVERSIZE:
    +0,020'
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    DISPLACEMENT:
    1220 CC
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    STREET
    $344.95
    Qty in Cart: 0
    Quantity:
    Price:
    $344.95
    Subtotal:
  • WISECO Piston Kit - .030 - 1948-1980 - Big Twin K1608

    WISECO Piston Kit - .030 - 1948-1980 - Big Twin K1608

    WISECO

    $344.95
    WISECO Piston Kit .030 1948-1980 Big Twin K1608Forged 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,...
    K1608
    SKU:
    K1608
    Availability:
    Ships Same Business Day
    Weight:
    3.31 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.030'
    BORE SIZE IMPERIAL:
    3.467'
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    STREET
    TYPE:
    TOP END
    UNITS:
    EACH
    DISPLACEMENT:
    1227 CC
    PISTON MATERIAL:
    FORGED
    STROKE LENGTH IMPERIAL:
    3-31/32'
    BORE - OVERSIZE:
    +0,030'
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    $344.95
    Qty in Cart: 0
    Quantity:
    Price:
    $344.95
    Subtotal:
  • WISECO Piston Kit - .040 - 1948-1980 - Big Twin K1609

    WISECO Piston Kit - .040 - 1948-1980 - Big Twin K1609

    WISECO

    $344.95
    WISECO Piston Kit .040 1948-1980 Big Twin K1609Forged 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,...
    K1609
    SKU:
    K1609
    Availability:
    Ships Same Business Day
    Weight:
    3.31 LBS
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    DISPLACEMENT:
    1234 CC
    PISTON MATERIAL:
    FORGED
    STROKE LENGTH IMPERIAL:
    3-31/32'
    BORE OVERSIZE - IMPERIAL:
    +0.040'
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    TOP END
    BORE - OVERSIZE:
    +0,040'
    BORE SIZE IMPERIAL:
    3.477'
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    RIDING STYLE:
    STREET
    $344.95
    Qty in Cart: 0
    Quantity:
    Price:
    $344.95
    Subtotal:
  • WISECO Piston Kit - .060 - 1948-1980 - Big Twin K1611

    WISECO Piston Kit - .060 - 1948-1980 - Big Twin K1611

    WISECO

    $344.95
    WISECO Piston Kit .060 1948-1980 Big Twin K1611Forged 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,...
    K1611
    SKU:
    K1611
    Availability:
    Ships Same Business Day
    Weight:
    3.38 LBS
    BORE - OVERSIZE:
    +0,060'
    BORE SIZE IMPERIAL:
    3.497'
    DISPLACEMENT:
    1249 CC
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    +0.060'
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    PISTON MATERIAL:
    ALUMINUM ALLOY
    STROKE LENGTH IMPERIAL:
    3-31/32'
    TYPE:
    TOP END
    UNITS:
    EACH
    $344.95
    Qty in Cart: 0
    Quantity:
    Price:
    $344.95
    Subtotal:
  • WISECO Piston Kit - .080 - 1948-1980 - Big Twin K1612

    WISECO Piston Kit - .080 - 1948-1980 - Big Twin K1612

    WISECO

    $344.95
    WISECO Piston Kit .080 1948-1980 Big Twin K1612Forged 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,...
    K1612
    SKU:
    K1612
    Availability:
    Ships Same Business Day
    Weight:
    3.44 LBS
    BORE SIZE IMPERIAL:
    3.517'
    DISPLACEMENT:
    1263 CC
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    REBUILD KIT
    BORE - OVERSIZE:
    +0,080'
    COMPRESSION RATIO IMPERIAL:
    9.0:1
    BORE OVERSIZE - IMPERIAL:
    +0.080'
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    STROKE LENGTH IMPERIAL:
    3-31/32'
    TYPE:
    TOP END
    $344.95
    Qty in Cart: 0
    Quantity:
    Price:
    $344.95
    Subtotal:
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