This big bore cylinder and piston kit can be used as replacement for the cylinders and pistons for an S&S 124" Hot Set Up Kit, a T124 T2 engine or as the basis for a new engine build. Kit contains S&S 4-1/8" bore cylinders and forged flat dome pistons, rings, wrist pins, head and base gaskets. The cylinders are machined with the stock bolt pattern and are intended for use in stock crankcases of 2007-'16 big twin engines. This kit must be used with 4-5/8" flywheels resulting in 124' displacement. Cylinder finish is a durable Stone Gray powder coat that matches stock CVO engine finsh. This cylinder kit may be used with stock or S&S cylinder heads with stock bolt pattern. For best performance, appropriate camshafts, performance air cleaner, performance exhaust and fuel system tuning are required.
**Crankcases must be bored to accept the larger 4-1/8" bore cylinders.
Fitment
| Year(s) | Make | Model Code | Model |
|---|---|---|---|
| 2007-2017 | Harley-Davidson | — | except 2017 Touring |
| Year | Make | Model |
|---|---|---|
| 2007 | Harley-Davidson | FLHR Road King |
| 2007 | Harley-Davidson | FLHRC Road King Classic |
| 2007 | Harley-Davidson | FLHRS Road King Custom |
| 2007 | Harley-Davidson | FLHT Electra Glide Standard |
| 2007 | Harley-Davidson | FLHTC Electra Glide Classic |
| 2007 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2007 | Harley-Davidson | FLHX Street Glide |
| 2007 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 2007 | Harley-Davidson | FLSTF Fat Boy |
| 2007 | Harley-Davidson | FLSTN Softail Deluxe |
| 2007 | Harley-Davidson | FLSTSC Softail Springer Classic |
| 2007 | Harley-Davidson | FLTR Road Glide |
| 2007 | Harley-Davidson | FXD Dyna Super Glide |
| 2007 | Harley-Davidson | FXDB Street Bob |
| 2007 | Harley-Davidson | FXDC Super Glide Custom |
| 2007 | Harley-Davidson | FXDL Dyna Low Rider |
| 2007 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 2007 | Harley-Davidson | FXST Softail Standard |
| 2007 | Harley-Davidson | FXSTB Night Train |
| 2007 | Harley-Davidson | FXSTC Softail Custom |
| 2007 | Harley-Davidson | FXSTD Softail Deuce |
| 2008 | Harley-Davidson | FLHR Road King |
| 2008 | Harley-Davidson | FLHRC Road King Classic |
| 2008 | Harley-Davidson | FLHT Electra Glide Standard |
| 2008 | Harley-Davidson | FLHTC Electra Glide Classic |
| 2008 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2008 | Harley-Davidson | FLHX Street Glide |
| 2008 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 2008 | Harley-Davidson | FLSTF Fat Boy |
| 2008 | Harley-Davidson | FLSTN Softail Deluxe |
| 2008 | Harley-Davidson | FLSTSB Cross Bones |
| 2008 | Harley-Davidson | FLTR Road Glide |
| 2008 | Harley-Davidson | FXCW Rocker |
| 2008 | Harley-Davidson | FXCWC Rocker C |
| 2008 | Harley-Davidson | FXD Dyna Super Glide |
| 2008 | Harley-Davidson | FXDB Street Bob |
| 2008 | Harley-Davidson | FXDC Super Glide Custom |
| 2008 | Harley-Davidson | FXDF Fat Bob |
| 2008 | Harley-Davidson | FXDL Dyna Low Rider |
| 2008 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 2008 | Harley-Davidson | FXSTB Night Train |
| 2008 | Harley-Davidson | FXSTC Softail Custom |
| 2009 | Harley-Davidson | FLHR Road King |
| 2009 | Harley-Davidson | FLHRC Road King Classic |
| 2009 | Harley-Davidson | FLHT Electra Glide Standard |
| 2009 | Harley-Davidson | FLHTC Electra Glide Classic |
| 2009 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2009 | Harley-Davidson | FLHTCUTG Tri Glide Ultra |
| 2009 | Harley-Davidson | FLHX Street Glide |
| 2009 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 2009 | Harley-Davidson | FLSTF Fat Boy |
| 2009 | Harley-Davidson | FLSTN Softail Deluxe |
| 2009 | Harley-Davidson | FLSTSB Cross Bones |
| 2009 | Harley-Davidson | FLTR Road Glide |
| 2009 | Harley-Davidson | FXCW Rocker |
| 2009 | Harley-Davidson | FXCWC Rocker C |
| 2009 | Harley-Davidson | FXD Dyna Super Glide |
| 2009 | Harley-Davidson | FXDB Street Bob |
| 2009 | Harley-Davidson | FXDC Super Glide Custom |
| 2009 | Harley-Davidson | FXDF Fat Bob |
| 2009 | Harley-Davidson | FXDL Dyna Low Rider |
| 2009 | Harley-Davidson | FXSTB Night Train |
| 2009 | Harley-Davidson | FXSTC Softail Custom |
| 2010 | Harley-Davidson | FLHR Road King |
| 2010 | Harley-Davidson | FLHRC Road King Classic |
| 2010 | Harley-Davidson | FLHTC Electra Glide Classic |
| 2010 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2010 | Harley-Davidson | FLHTCUTG Tri Glide Ultra |
| 2010 | Harley-Davidson | FLHTK Electra Glide Ultra Limited |
| 2010 | Harley-Davidson | FLHX Street Glide |
| 2010 | Harley-Davidson | FLHXXX Street Glide Trike |
| 2010 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 2010 | Harley-Davidson | FLSTF Fat Boy |
| 2010 | Harley-Davidson | FLSTFB Fat Boy Lo |
| 2010 | Harley-Davidson | FLSTN Softail Deluxe |
| 2010 | Harley-Davidson | FLSTSB Cross Bones |
| 2010 | Harley-Davidson | FLTR Road Glide |
| 2010 | Harley-Davidson | FXCWC Rocker C |
| 2010 | Harley-Davidson | FXD Dyna Super Glide |
| 2010 | Harley-Davidson | FXDB Street Bob |
| 2010 | Harley-Davidson | FXDC Super Glide Custom |
| 2010 | Harley-Davidson | FXDF Fat Bob |
| 2010 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 2010 | Harley-Davidson | FXSTC Softail Custom |
| 2011 | Harley-Davidson | FLHR Road King |
| 2011 | Harley-Davidson | FLHRC Road King Classic |
| 2011 | Harley-Davidson | FLHTC Electra Glide Classic |
| 2011 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2011 | Harley-Davidson | FLHTCUTG Tri Glide Ultra |
| 2011 | Harley-Davidson | FLHTK Electra Glide Ultra Limited |
| 2011 | Harley-Davidson | FLHX Street Glide |
| 2011 | Harley-Davidson | FLHXXX Street Glide Trike |
| 2011 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 2011 | Harley-Davidson | FLSTF Fat Boy |
| 2011 | Harley-Davidson | FLSTFB Fat Boy Lo |
| 2011 | Harley-Davidson | FLSTN Softail Deluxe |
| 2011 | Harley-Davidson | FLSTSB Cross Bones |
| 2011 | Harley-Davidson | FLTRU Road Glide Ultra |
| 2011 | Harley-Davidson | FLTRX Road Glide Custom |
| 2011 | Harley-Davidson | FXCWC Rocker C |
| 2011 | Harley-Davidson | FXDB Street Bob |
| 2011 | Harley-Davidson | FXDC Super Glide Custom |
| 2011 | Harley-Davidson | FXDF Fat Bob |
| 2011 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 2011 | Harley-Davidson | FXS Blackline |
| 2012 | Harley-Davidson | FLD Switchback |
| 2012 | Harley-Davidson | FLHR Road King |
| 2012 | Harley-Davidson | FLHRC Road King Classic |
| 2012 | Harley-Davidson | FLHTC Electra Glide Classic |
| 2012 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2012 | Harley-Davidson | FLHTCUTG Tri Glide Ultra |
| 2012 | Harley-Davidson | FLHTK Electra Glide Ultra Limited |
| 2012 | Harley-Davidson | FLHX Street Glide |
| 2012 | Harley-Davidson | FLS Softail Slim |
| 2012 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 2012 | Harley-Davidson | FLSTF Fat Boy |
| 2012 | Harley-Davidson | FLSTFB Fat Boy Lo |
| 2012 | Harley-Davidson | FLSTN Softail Deluxe |
| 2012 | Harley-Davidson | FLTRU Road Glide Ultra |
| 2012 | Harley-Davidson | FLTRX Road Glide Custom |
| 2012 | Harley-Davidson | FXDB Street Bob |
| 2012 | Harley-Davidson | FXDC Super Glide Custom |
| 2012 | Harley-Davidson | FXDF Fat Bob |
| 2012 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 2012 | Harley-Davidson | FXS Blackline |
| 2013 | Harley-Davidson | FLD Switchback |
| 2013 | Harley-Davidson | FLHR Road King |
| 2013 | Harley-Davidson | FLHRC Road King Classic |
| 2013 | Harley-Davidson | FLHTC Electra Glide Classic |
| 2013 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2013 | Harley-Davidson | FLHTCUTG Tri Glide Ultra |
| 2013 | Harley-Davidson | FLHTK Electra Glide Ultra Limited |
| 2013 | Harley-Davidson | FLHX Street Glide |
| 2013 | Harley-Davidson | FLS Softail Slim |
| 2013 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 2013 | Harley-Davidson | FLSTF Fat Boy |
| 2013 | Harley-Davidson | FLSTFB Fat Boy Lo |
| 2013 | Harley-Davidson | FLSTN Softail Deluxe |
| 2013 | Harley-Davidson | FLTRU Road Glide Ultra |
| 2013 | Harley-Davidson | FLTRX Road Glide Custom |
| 2013 | Harley-Davidson | FXDB Street Bob |
| 2013 | Harley-Davidson | FXDC Super Glide Custom |
| 2013 | Harley-Davidson | FXDF Fat Bob |
| 2013 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 2013 | Harley-Davidson | FXS Blackline |
| 2013 | Harley-Davidson | FXSB Breakout |
| 2014 | Harley-Davidson | FLD Switchback |
| 2014 | Harley-Davidson | FLHR Road King |
| 2014 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2014 | Harley-Davidson | FLHX Street Glide |
| 2014 | Harley-Davidson | FLHXS Street Glide Special |
| 2014 | Harley-Davidson | FLS Softail Slim |
| 2014 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 2014 | Harley-Davidson | FLSTF Fat Boy |
| 2014 | Harley-Davidson | FLSTFB Fat Boy Lo |
| 2014 | Harley-Davidson | FLSTN Softail Deluxe |
| 2014 | Harley-Davidson | FXDB Street Bob |
| 2014 | Harley-Davidson | FXDC Super Glide Custom |
| 2014 | Harley-Davidson | FXDF Fat Bob |
| 2014 | Harley-Davidson | FXDL Dyna Low Rider |
| 2014 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 2014 | Harley-Davidson | FXSB Breakout |
| 2015 | Harley-Davidson | FLD Switchback |
| 2015 | Harley-Davidson | FLHR Road King |
| 2015 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2015 | Harley-Davidson | FLHTCUL Electra Glide Ultra Classic Low |
| 2015 | Harley-Davidson | FLHX Street Glide |
| 2015 | Harley-Davidson | FLHXS Street Glide Special |
| 2015 | Harley-Davidson | FLRT Freewheeler |
| 2015 | Harley-Davidson | FLS Softail Slim |
| 2015 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 2015 | Harley-Davidson | FLSTF Fat Boy |
| 2015 | Harley-Davidson | FLSTFB Fat Boy Lo |
| 2015 | Harley-Davidson | FLSTN Softail Deluxe |
| 2015 | Harley-Davidson | FLTRX Road Glide |
| 2015 | Harley-Davidson | FLTRXS Road Glide Special |
| 2015 | Harley-Davidson | FXDB Street Bob |
| 2015 | Harley-Davidson | FXDF Fat Bob |
| 2015 | Harley-Davidson | FXDL Dyna Low Rider |
| 2015 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 2015 | Harley-Davidson | FXSB Breakout |
| 2016 | Harley-Davidson | FLD Switchback |
| 2016 | Harley-Davidson | FLHR Road King |
| 2016 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2016 | Harley-Davidson | FLHTCUL Electra Glide Ultra Classic Low |
| 2016 | Harley-Davidson | FLHX Street Glide |
| 2016 | Harley-Davidson | FLRT Freewheeler |
| 2016 | Harley-Davidson | FLS Softail Slim |
| 2016 | Harley-Davidson | FLSS Softail Slim S |
| 2016 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 2016 | Harley-Davidson | FLSTF Fat Boy |
| 2016 | Harley-Davidson | FLSTFB Fat Boy Lo |
| 2016 | Harley-Davidson | FLSTFBS Fat Boy S |
| 2016 | Harley-Davidson | FLSTN Softail Deluxe |
| 2016 | Harley-Davidson | FLTR Road Glide |
| 2016 | Harley-Davidson | FLTRXS Road Glide Special |
| 2016 | Harley-Davidson | FXDB Street Bob |
| 2016 | Harley-Davidson | FXDF Fat Bob |
| 2016 | Harley-Davidson | FXDL Dyna Low Rider |
| 2016 | Harley-Davidson | FXDLS Low Rider S |
| 2016 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 2016 | Harley-Davidson | FXSB Breakout |
| 2017 | Harley-Davidson | FLS Softail Slim |
| 2017 | Harley-Davidson | FLSS Softail Slim S |
| 2017 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 2017 | Harley-Davidson | FLSTF Fat Boy |
| 2017 | Harley-Davidson | FLSTFBS Fat Boy S |
| 2017 | Harley-Davidson | FLSTN Softail Deluxe |
| 2017 | Harley-Davidson | FXDB Street Bob |
| 2017 | Harley-Davidson | FXDF Fat Bob |
| 2017 | Harley-Davidson | FXDL Dyna Low Rider |
| 2017 | Harley-Davidson | FXDLS Low Rider S |
| 2017 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 2017 | Harley-Davidson | FXSB Breakout |
Fitment details provided by supplier.