These high compression pistons for 2007-'17 HD® CVO 110 models except 2017 and Twin Cooled® touring models feature a 12.5cc raised dome to achieve a compression ratio of 10.6:1. Higher compression is a key factor in increasing performance, but it's only part of the solution. Not satisfied with 86 horsepower from your CVO 110 engine? Neither were we! Fortunately, we can show you how to make that big hog really run. Here's how. Install an S&S® performance exhaust and air cleaner - a must for any performance upgrade. Install a set of S&S® 585 bolt-in cams and tune the EFI system - produces over 107 horsepower. Increase the compression ratio from the stock 9.3:1 to 10.6:1 with these S&S® high compression pistons - brings the horsepower up to 114.
*Is not compatibable with Twin Cooled® models
Fitment
| Year(s) | Make | Model Code | Model |
|---|---|---|---|
| 2007-2028 | Harley-Davidson | — | Big Twin |
| Year | Make | Model |
|---|---|---|
| 2007 | Harley-Davidson | FLHRSE3 Screamin Eagle Road King |
| 2007 | Harley-Davidson | FLHTCUSE2 Screamin Eagle Ultra Classic Electra Glide |
| 2007 | Harley-Davidson | FXDSE Screamin Eagle Dyna |
| 2007 | Harley-Davidson | FXSTSSE Screamin Eagle Softail Springer |
| 2008 | Harley-Davidson | FLHRSE4 Screamin Eagle Road King |
| 2008 | Harley-Davidson | FLHTCUSE3 Screamin Eagle Ultra Classic Electra Glide |
| 2008 | Harley-Davidson | FXDSE2 Screamin Eagle Dyna |
| 2008 | Harley-Davidson | FXSTSSE2 Screamin Eagle Softail Springer |
| 2009 | Harley-Davidson | FLHTCUSE4 CVO Ultra Classic Electra Glide |
| 2009 | Harley-Davidson | FLTRSE3 CVO Road Glide |
| 2009 | Harley-Davidson | FXDFSE CVO Dyna Fat Bob |
| 2009 | Harley-Davidson | FXSTSSE3 CVO Softail Springer |
| 2010 | Harley-Davidson | FLHTCUSE5 CVO Ultra Classic Electra Glide |
| 2010 | Harley-Davidson | FLHXSE CVO Street Glide |
| 2010 | Harley-Davidson | FLSTSE CVO Softail Convertible |
| 2010 | Harley-Davidson | FXDFSE2 CVO Dyna Fat Bob |
| 2011 | Harley-Davidson | FLHTCUSE6 CVO Ultra Classic Electra Glide |
| 2011 | Harley-Davidson | FLHXSE2 CVO Street Glide |
| 2011 | Harley-Davidson | FLSTSE2 CVO Softail Convertible |
| 2011 | Harley-Davidson | FLTRUSE CVO Road Glide Ultra |
| 2012 | Harley-Davidson | FLHTCUSE7 CVO Ultra Classic Electra Glide |
| 2012 | Harley-Davidson | FLHXSE3 CVO Street Glide |
| 2012 | Harley-Davidson | FLTRXSE CVO Road Glide |
| 2013 | Harley-Davidson | FLHRSE5 CVO Road King |
| 2013 | Harley-Davidson | FLHTCUSE8 CVO Ultra Classic Electra Glide |
| 2013 | Harley-Davidson | FLTRXSE2 CVO Road Glide Custom |
| 2013 | Harley-Davidson | FXSBSE CVO Breakout |
| 2014 | Harley-Davidson | FLSTNSE CVO Softail Deluxe |
| 2014 | Harley-Davidson | FXSBSE CVO Breakout |
| 2015 | Harley-Davidson | FLHXSE CVO Street Glide |
| 2015 | Harley-Davidson | FLSTNSE CVO Softail Deluxe |
| 2016 | Harley-Davidson | FLHXSE CVO Street Glide |
| 2016 | Harley-Davidson | FLSS Softail Slim S |
| 2016 | Harley-Davidson | FLSTFBS Fat Boy S |
| 2016 | Harley-Davidson | FXDLS Low Rider S |
| 2017 | Harley-Davidson | FLSS Softail Slim S |
| 2017 | Harley-Davidson | FLSTFBS Fat Boy S |
| 2017 | Harley-Davidson | FXDLS Low Rider S |
Fitment details provided by supplier.
