Features Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy Allow a tighter fit and longer piston and ring life Diamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (.0005") tolerances from piston to piston Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings Replacement piston rings and pin lock rings available separately Note KB pistons can be installed tighter than other pistons. This results in less piston rock and better ring seal. Please read instructions included with piston for correct piston clearance. 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. Specs Product Name Piston Kit Piston Material Hypereutectic Alloy Bore Size 3.498" Bore Oversize Standard Compression Ratio 8.6:1 Units Kit Riding Style Street Fitments 2000 Harley-Davidson FXR4 1999 Harley-Davidson FXR2 1999 Harley-Davidson FXR3 1999 Harley-Davidson FXSTB Night Train 1998 Harley-Davidson Electra Glide Ultra Classic FLHTCU 1998 Harley-Davidson Road King EFI FLHR 1998 Harley-Davidson FLTRI Road Glide 1998 Harley-Davidson FLHRCI Road King Classic 1998 Harley-Davidson FLTR Road Glide 1997-1999 Harley-Davidson FLSTS Heritage Springer 1996-1998 Harley-Davidson FLHTCI Electra Glide Classic 1996-1997 Harley-Davidson FLHRI Road King 1996 Harley-Davidson Tour Glide Ultra Classic FLTCU 1996 Harley-Davidson FLTCUI Tour Glide Ultra Classic 1995-1998 Harley-Davidson FXD Dyna Super Glide 1995-1998 Harley-Davidson FXDS-Conv Dyna Convertible 1995-1998 Harley-Davidson FLHTCUI Electra Glide Ultra Classic 1995-1997 Harley-Davidson FXSTSB Bad Boy 1995 Harley-Davidson Electra Glide Classic EFI FLHTCI 1994-1998 Harley-Davidson FLHR Road King 1994-1996 Harley-Davidson FLSTN Heritage Softail Special 1994 Harley-Davidson Tour Glide Classic FLTC 1993-1998 Harley-Davidson FXDWG Dyna Wide Glide 1993-1998 Harley-Davidson FXDL Dyna Low Rider 1993 Harley-Davidson FLSTN Heritage Softail Nostalgia 1993 Harley-Davidson Sport Glide FXRT 1992 Harley-Davidson FXDB-D Dyna Glide Daytona 1992 Harley-Davidson FXDC Super Glide Custom 1990-1999 Harley-Davidson FLSTF Fat Boy 1990-1993 Harley-Davidson FXRS-Conv Low Rider Sport Convertible 1989-1997 Harley-Davidson FLHTCU Electra Glide Ultra Classic 1989-1995 Harley-Davidson FLTCU Tour Glide Ultra Classic 1989-1990, 1993 Harley-Davidson Low Rider FXRS 1988-1999 Harley-Davidson FLSTC Heritage Softail Classic 1988-1999 Harley-Davidson FXSTS Springer Softail 1988-1993 Harley-Davidson FXRS-SP Low Rider Sport 1987-1994 Harley-Davidson FXLR Low Rider Custom 1987-1993 Harley-Davidson FLHS Electra Glide Sport 1987 Harley-Davidson Softail Heritage Classic FLSTC 1986-1999 Harley-Davidson FXSTC Softail Custom 1986-1994 Harley-Davidson FXR Super Glide II 1986-1990 Harley-Davidson FLST Heritage Softail 1986-1987, 1995-1998 Harley-Davidson FLHT Electra Glide Standard 1986 Harley-Davidson FXRD Sport Glide Grand Touring 1985-1986 Harley-Davidson FXWG Wide Glide 1985, 1987 Harley-Davidson FXRC Low Rider Chrome 1985 Harley-Davidson FXEF Fat Bob 1985 Harley-Davidson FXSB Low Rider - Belt 1985 Harley-Davidson Electra Glide Standard FLHT 1984-1998 Harley-Davidson FLHTC Electra Glide Classic 1984-1993, 1999 Harley-Davidson FXST Softail Standard 1984-1993 Harley-Davidson FLTC Tour Glide Classic 1984-1992 Harley-Davidson FXRT Sport Glide 1984-1988, 1991-1992 Harley-Davidson FXRS Low Glide 1984 Harley-Davidson FXRDG Disc Glide Fitment Disclosure This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided. General Safety Warning Failure to follow manufacturer's recommendations and requirements can cause product failure resulting in serious injury or death. While effort has been taken in collecting accurate fitment information, LeMans Corporation accepts no liability for loss or damage resulting from errors or omissions.
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