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    KB Performance Piston Kit - 3.880 in. Bore/10.5:1 Ratio - KB411.005 for Select Harley-Davidson Motorcycles

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    KB Performance Piston Kit - 3.880 in. Bore/10.5:1 Ratio - KB411.005 for Select Harley-Davidson Motorcycles

    Price: $293.00
    Bore Size
    Item DOES NOT fit your 2022 Ducati Scrambler Icon
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    KB Performance Piston Kit - 3.880 in. Bore/10.5:1 Ratio

    • Originally designed by Keith Black, these pistons provide a tighter fit and longer piston and ring life
    • Made from high-strength T6 heat-treated, 390 hypereutectic alloy, then diamond-machined and held to plus or minus one gram weight and less than one-half-thousandth-inch (.0005 in.) tolerances from piston to piston
    • Each kit contains two pistons, pins, spiro-lock pin clips and Hastings moly rings
    • Replacement rings also available separately Part no. H13013 (enough for two pistons)
    • Replacement spiro-lock pin clips Part no. 148981 (4pk)
    • Made in the U.S.A.


      • Available Sizes:
      3.875 in./Standard - Part No. H13230
      3.880/+ .005 in. - Part No. H13246
      3.885/+ .010 in. - Part No. 131247

      Replacement Rings:
      3.875 in./Standard - Part No. H13012
      3.880/+ .005 in. - Part No. H13013
      3.885/+ .010 in. - Part No. H13014

    NOTE: KB pistons can be installed tighter than other pistons. This results in less piston rock and better ring seal. Please read instructions furnished with piston for correct piston clearance.

    NOTE: Due to the thermal conductivity and design of KB pistons, special attention is required to the top ring end gap. Please read instructions furnished with piston for correct ring installation

    Our pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service.
    Mfg. Price Controlled Item
    Due to the manufacturer's advertising policy - this item is excluded from promotions and discounts details
    Specifications
    Bore Size 3.880 in.
    Compression Ratio 10.5:1
    Mfg #: KB411.005
    Part #: H13246
    Type Piston Kit
    Units Each
    Weight 3.06 lbs
    Vendor Part Number(s):
    DS751287
    UPC Code:
    800745152268
    Resources & Manuals
    Instruction Manual 1.6 MiB
    Fitment for KB Performance Piston Kit - 3.880 in. Bore/10.5:1 Ratio

    Part H13246 fits the following machines

    Harley-Davidson
    1999 2000
    1999 2000 2001 2002 2003 2004 2005
    2004 2005 2006
    2006
    1999 2000 2001 2002 2003 2004 2005
    2005
    2005 2006
    2004 2005 2006
    1999 2000 2001 2002 2003 2004 2005
    2004 2005
    2001 2002 2003
    1999 2000 2001 2002 2003 2004 2005
    2004 2005 2006
    1999 2000 2001 2002 2003 2004 2005
    1999 2000 2001 2002 2003 2004 2005 2006
    1999 2000 2001 2002 2003 2004 2005 2006
    2003 2004 2005 2006
    1999
    1999 2000 2001 2002 2003 2004 2005 2006
    2006
    2000 2001 2002 2003 2004 2005 2006
    2001 2002 2003 2004 2005 2006
    2000 2001 2002 2003
    2001 2002 2003
    1999 2000 2001 2002
    1999 2000 2001 2002 2003 2004 2005 2006
    1999 2000 2001 2002 2003 2004 2005 2006
    1999 2000 2001 2002 2003 2004 2005 2006
    2004 2005 2006
    2004 2005 2006
    1999 2000 2001 2002 2003 2004 2005 2006
    2005 2006
    2005 2006
    2000 2001 2002 2003 2004 2005 2006
    2001 2002 2003 2004 2005 2006
    2000 2001 2002 2003 2004 2005 2006
    2001 2002 2003 2004 2005 2006
    2000 2001 2002 2003 2004 2005 2006
    2001 2002 2003 2004 2005 2006
    2000 2001 2002 2003 2004 2005 2006
    2005 2006
    2005 2006
    2001 2002 2003 2004 2005 2006
    2000 2001 2002 2003 2004 2005 2006
    2001 2002 2003 2004 2005 2006
    2006
    2006
    Reviews & Questions