3-7/8" Bore For 103" Engines. S&S® 3-7/8" pistons for 103" kits are machined to such close tolerances that it is not necessary to measure the piston. Additionally, the low friction coating on the piston skirt makes taking measurements very difficult. Therefore, hone cylinders to nominal diameter +/- 0.0001" for correct clearance.
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 2007-2016 |
Harley-Davidson |
FLHR Road King |
Base |
| 2008-2013 |
Harley-Davidson |
FLHRC Road King Classic |
Base |
| 2007 |
Harley-Davidson |
FLHRS Road King Custom |
Base |
| 2007-2009 |
Harley-Davidson |
FLHT Electra Glide Standard |
Base |
| 2009-2013 |
Harley-Davidson |
FLHTC Electra Glide Classic |
Base |
| 2009-2016 |
Harley-Davidson |
FLHTCU Electra Glide Ultra Classic |
Base |
| 2015-2016 |
Harley-Davidson |
FLHTCUL Electra Glide Ultra Classic Low |
Base |
| 2009 |
Harley-Davidson |
FLHTCUSE4 CVO Ultra Classic Electra Glide |
Base |
| 2010 |
Harley-Davidson |
FLHTCUSE5 CVO Ultra Classic Electra Glide |
Base |
| 2009,2011-2014 |
Harley-Davidson |
FLHTCUTG Tri Glide Ultra |
Base |
| 2009-2013 |
Harley-Davidson |
FLHTCUTG Tri Glide Ultra Classic |
Base |
| 2010-2014 |
Harley-Davidson |
FLHTK Electra Glide Ultra Limited |
Base |
| 2015-2017 |
Harley-Davidson |
FLHTKSE CVO Limited |
Base |
| 2007-2016 |
Harley-Davidson |
FLHX Street Glide |
Base |
| 2014,2016 |
Harley-Davidson |
FLHXS Street Glide Special |
Base |
| 2015-2017 |
Harley-Davidson |
FLHXSE CVO Street Glide |
Base |
| 2011 |
Harley-Davidson |
FLHXSE2 CVO Street Glide |
Base |
| 2012 |
Harley-Davidson |
FLHXSE3 CVO Street Glide |
Base |
| 2015-2016 |
Harley-Davidson |
FLRT Freewheeler |
Base |
| 2012-2017 |
Harley-Davidson |
FLS Softail Slim |
Base |
| 2016-2017 |
Harley-Davidson |
FLSS Softail Slim S |
Base |
| 2007-2017 |
Harley-Davidson |
FLSTC Heritage Softail Classic |
Base |
| 2007-2017 |
Harley-Davidson |
FLSTF Fat Boy |
Base |
| 2010-2016 |
Harley-Davidson |
FLSTFB Fat Boy Lo |
Base |
| 2016-2017 |
Harley-Davidson |
FLSTFBS Fat Boy S |
Base |
| 2007-2014,2017 |
Harley-Davidson |
FLSTN Softail Deluxe |
Base |
| 2014-2015 |
Harley-Davidson |
FLSTNSE CVO Softail Deluxe |
Base |
| 2008-2011 |
Harley-Davidson |
FLSTSB Cross Bones |
Base |
| 2007-2009 |
Harley-Davidson |
FLTR Road Glide |
Base |
| 2009 |
Harley-Davidson |
FLTRSE3 CVO Road Glide |
Base |
| 2011-2013,2016 |
Harley-Davidson |
FLTRU Road Glide Ultra |
Base |
| 2015-2016 |
Harley-Davidson |
FLTRUSE CVO Road Glide Ultra |
Base |
| 2015-2016 |
Harley-Davidson |
FLTRX Road Glide |
Base |
| 2010-2013 |
Harley-Davidson |
FLTRX Road Glide Custom |
Base |
| 2015-2016 |
Harley-Davidson |
FLTRXS Road Glide Special |
Base |
| 2012 |
Harley-Davidson |
FLTRXSE CVO Road Glide Custom |
Base |
| 2008-2009 |
Harley-Davidson |
FXCW Rocker |
Base |
| 2008-2011 |
Harley-Davidson |
FXCWC Rocker C |
Base |
| 2007-2010 |
Harley-Davidson |
FXD Dyna Super Glide |
Base |
| 2007-2016 |
Harley-Davidson |
FXDB Street Bob |
Base |
| 2007-2014 |
Harley-Davidson |
FXDC Super Glide Custom |
Base |
| 2008-2017 |
Harley-Davidson |
FXDF Fat Bob |
Base |
| 2009 |
Harley-Davidson |
FXDFSE CVO Dyna Fat Bob |
Base |
| 2007-2009,2014-2017 |
Harley-Davidson |
FXDL Dyna Low Rider |
Base |
| 2014-2017 |
Harley-Davidson |
FXDL Low Rider |
Base |
| 2016-2017 |
Harley-Davidson |
FXDLS Low Rider S |
Base |
| 2007-2008,2010-2017 |
Harley-Davidson |
FXDWG Dyna Wide Glide |
Base |
| 2011-2013 |
Harley-Davidson |
FXS Blackline |
Base |
| 2014-2017 |
Harley-Davidson |
FXSB Breakout |
Base |
| 2013 |
Harley-Davidson |
FXSBSE CVO Breakout |
Base |
| 2016-2017 |
Harley-Davidson |
FXSE CVO Pro Street Breakout |
Base |
| 2007 |
Harley-Davidson |
FXST Softail Standard |
Base |
| 2007-2009 |
Harley-Davidson |
FXSTB Night Train |
Base |
| 2008,2010 |
Harley-Davidson |
FXSTC Softail Custom |
Base |
| 2007 |
Harley-Davidson |
FXSTD Softail Deuce |
Base |
| 2009 |
Harley-Davidson |
FXSTSSE3 CVO Softail Springer |
Base |