*item may differ from images
This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels 2007-'16 HD® big twin engines, when using performance or big bore pistons. Wrist pin ends of connecting rods are full width (not tapered). Sprocket shaft has a stock style bearing race pressed on.
- Assembly is trued to less than .0005" runout on pinion and sprocket shaft bearing surfaces, making them capable of higher rpm and fully compatible with gear drive cams
- Flywheels are CNC machined from heat-treated, closed die, steel forgings, which are 114 percent stronger than late style stock steel flywheels
- Fully assembled with premium quaility S&S® heavy duty 7.659" connecting rods, with full width wrist pin ends, and dynamically balanced
- The only joints in the assembly are where the 1.671" diameter connecting rod crankpin is pressed into the flywheels
- This flywheel assembly is for crankcases with stock roller style sprocket shaft bearing
- Pinion and sprocket shafts are forged as part of the flywheel
- Pinion shaft has sprocket to drive balancer chain
- Flywheel assembly is three piece design
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2017 | Harley-Davidson | FLHTKSE CVO Limited | Base |
| 2015-2017 | Harley-Davidson | FLHXSE CVO Street Glide | 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 |
| 2015-2016 | Harley-Davidson | FLTRUSE CVO Road Glide Ultra | Base |
| 2008-2009 | Harley-Davidson | FXCW Rocker | Base |
| 2008-2011 | Harley-Davidson | FXCWC Rocker C | 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 |