SS Cycle Twin Cam Flywheel — 4-3/8" Stroke for FXST Harley (2007–2016)
Engineered for Harley-Davidson Twin Cam engines, this S&S Cycle 4-3/8 inch stroke flywheel assembly is designed for FXST models from 2007 to 2016 and supports engine displacements of 96 inch, 103 inch, 106 inch, 110 inch, and 117 inch. The kit includes the sprocket shaft race and is intended for use on balancer engines, delivering a precise, reliable upgrade path for tuned or stock builds.
The flywheel features a taper at the wrist pin end to suit late style pistons, ensuring compatibility with standard piston and connecting rod configurations. Built in the USA, it is engineered to meet or exceed OEM standards for durability and a seamless fit within your existing engine system. The 4-3/8 inch stroke is designed to enhance engine performance while maintaining long-term reliability.
- Part Number: 320-0358
- For Harley-Davidson FXST models (2007–2016)
- Includes sprocket shaft race
- 4-3/8 inch stroke
- Tapered wrist pin end for late style pistons
- Designed for balancer engines
- USA-made; OEM-standard precision
- Installation requires standard tools
S&S Twin Cam 4-3/8 inch stroke flywheel assembly is for 96 inch 103 inch 106 inch 110 inch and 117 inch engines and includes the sprocket shaft race. For use on balancer engines
Upgrade your Harley Davidson FXST with the S&S Cycle Part Number 320-0358 Twin Cam Flywheel Assembly, designed specifically for models from 2007 to 2016. This high-quality component features a 4-3/8 inch stroke, providing improved engine performance and reliability. Crafted in the USA, this flywheel is engineered for durability and precision, ensuring seamless integration with your motorcycle's existing system. The tapered design at the wrist pin end is compatible with late style pistons, making it an ideal choice for enthusiasts seeking optimal engine tuning and longevity. Installation requires standard tools, and the assembly is built to meet or exceed OEM standards for superior performance.
Features:
- Designed for late style pistons with tapered wrist pin end
- Fits Harley Davidson FXST models from 2007 to 2016
- Constructed in the USA for quality assurance
- Provides reliable performance with a 4-3/8 inch stroke
- Precision engineering for seamless fit and function
- Compatible with standard piston and connecting rod configurations
Fitment:
Harley Davidson FLST 2007
Harley Davidson FLST 2008
Harley Davidson FLST 2009
Harley Davidson FLST 2010
Harley Davidson FLST 2011
Harley Davidson FLST 2012
Harley Davidson FLST 2013
Harley Davidson FLST 2014
Harley Davidson FLST 2015
Harley Davidson FLST 2016
Harley Davidson FLST 2017
Harley Davidson FLT 2007
Harley Davidson FLT 2008
Harley Davidson FLT 2009
Harley Davidson FLT 2010
Harley Davidson FLT 2011
Harley Davidson FLT 2012
Harley Davidson FLT 2013
Harley Davidson FLT 2014
Harley Davidson FLT 2015
Harley Davidson FLT 2016
Harley Davidson FXD 2006
Harley Davidson FXD 2007
Harley Davidson FXD 2008
Harley Davidson FXD 2009
Harley Davidson FXD 2010
Harley Davidson FXD 2011
Harley Davidson FXD 2012
Harley Davidson FXD 2013
Harley Davidson FXD 2014
Harley Davidson FXD 2015
Harley Davidson FXD 2016
Harley Davidson FXD 2017
Harley Davidson FXST 2007
Harley Davidson FXST 2008
Harley Davidson FXST 2009
Harley Davidson FXST 2010
Harley Davidson FXST 2011
Harley Davidson FXST 2012
Harley Davidson FXST 2013
Harley Davidson FXST 2014
Harley Davidson FXST 2015
Harley Davidson FXST 2016
Harley Davidson FXST 2017
