KB Performance KB661C.005 - Forged Piston Kit - Twin Cam
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2026_04_16_614334

KB Performance KB661C.005 – Forged Piston Kit – Twin Cam

Original price was: $275.48.Current price is: $68.87.

SKU: 09103974 Category:

Description

Features

  • Pistons forged from 4032 aluminum alloy
  • Offset pin design for quiet operation
  • Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings
  • Piston pin lock rings available separately
  • Replacement rings are also available separately

    • Specs

  • Bore Oversize: +0.005″
  • Compression Ratio: 10.0:1
  • Riding Style: Street
  • Bore Size: 4.005″
  • Units: Kit
  • Bore – Oversize: +0,005″
  • Piston Material: 4032 Aluminum Alloy

    • Approximate Package Weight & Dimensions

  • Weight: 2.7
  • Height: 5.64
  • Length: 5.96
  • Width: 5.88

    • Fitments

    Years Make Model
    2010 – 2016 Harley-Davidson Fat Boy Lo FLSTFB
    2007 – 2017 Harley-Davidson Softail Deluxe EFI FLSTNI
    2007 – 2017 Harley-Davidson Street Bob FXDB
    2011 – 2016 Harley-Davidson Road Glide Ultra FLTRU
    2012 – 2017 Harley-Davidson Softail Slim FLS
    2014 – 2016 Harley-Davidson Street Glide Special FLHXS
    2015 – 2016 Harley-Davidson Freewheeler FLRT
    2007 – 2016 Harley-Davidson Street Glide EFI FLHX
    2007 – 2017 Harley-Davidson Softail Heritage Classic EFI FLSTCI
    2007 – 2016 Harley-Davidson Road King EFI FLHR
    2010 – 2016 Harley-Davidson Electra Glide Ultra Limited FLHTK
    2008 – 2017 Harley-Davidson Fat Bob FXDF
    2012 – 2016 Harley-Davidson Switchback FLD
    2007 – 2017 Harley-Davidson Low Rider EFI FXDL
    2010 – 2016 Harley-Davidson Road Glide Custom FLTRX
    2007 – 2016 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI
    2007 – 2017 Harley-Davidson Wide Glide EFI FXDWGI
    2007 – 2017 Harley-Davidson Softail Fat Boy EFI FLSTFI
    2013 – 2017 Harley-Davidson Breakout FXSB
    2015 – 2016 Harley-Davidson Electra Glide Ultra Classic Low FLHTCUL
    2015 – 2016 Harley-Davidson Electra Glide Ultra Limited Low FLHTKL
    2015 – 2016 Harley-Davidson Road Glide Special FLTRXS
    2010 – 2011 Harley-Davidson Street Glide Trike FLHXXX
    2007 – 2013 Harley-Davidson Road King Classic EFI FLHRC
    2007 Harley-Davidson Road King Custom EFI FLHRS
    2007 – 2010 Harley-Davidson Super Glide EFI FXDI
    2007 – 2013 Harley-Davidson Electra Glide Classic EFI FLHTCI
    2007 – 2010 Harley-Davidson Softail Custom EFI FXSTC
    2007 – 2014 Harley-Davidson Super Glide Custom EFI FXDCI
    2007 Harley-Davidson Softail Springer Classic EFI FLSTSCI
    2007 – 2009 Harley-Davidson Electra Glide Standard EFI FLHTI
    2007 – 2009 Harley-Davidson Softail Night Train EFI FXSTBI
    2011 – 2013 Harley-Davidson Blackline FXS
    2008 – 2009 Harley-Davidson Softail Rocker FXCW
    2008 – 2011 Harley-Davidson Softail Rocker C FXCWC
    2008 – 2011 Harley-Davidson Softail Cross Bones FLSTSB
    2009 – 2016 Harley-Davidson Tri Glide Ultra Classic FLHTCUTG
    2007 – 2009 Harley-Davidson Road Glide EFI FLTR
    2007 Harley-Davidson Softail Deuce EFI FXSTDI
    2007 Harley-Davidson Softail Standard EFI FXSTI

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