Jims Fat 6 Super Gear Kit 8601 — Polished 6-Speed Transmission Upgrade for Harley FXST/FLT/FXD (2007–2016)

Polished Jims Fat 6 Super Gear Kit is a complete transmission gear assembly intended for rebuilding the OEM 6-speed transmission. The assembled kit includes all gears, door bearings, and gaskets for a straightforward installation.

• Part Number: 8601
• Country of Origin: Made in the USA
• Finish: Polished for a sleek, professional appearance
• Compatibility: Harley Davidson FXST, FLT, FXD models from 2007 to 2016
• Assembly: Kit is assembled and ready for installation
• Note: 2006–2009 models may require an ECU update flash for the 6th gear indicator light to function correctly

Designed to improve gear shifting, transmission efficiency, and long-term durability, this kit provides a complete upgrade to the motorcycle’s 6-speed transmission. By replacing the entire gear assembly, bearings, and gaskets in one package, riders can minimize downtime and achieve consistent performance across shifting engagement. It is designed with precision and durability in mind, ensuring reliable operation under demanding riding conditions.

Polished Jims Fat 6 Super Gear kit is the complete transmission gear assembly. Includes all gears door bearings and gaskets for assembly on rebuild of OEM 6 speed transmission.

The Jims Fat 6 Super Gear Kit (Part Number 8601) offers a comprehensive upgrade solution for select Harley Davidson models, including FXST, FLT, and FXD from 2007 to 2016. This assembled kit is ready for installation, providing a seamless upgrade to enhance your motorcycle's performance and durability. Crafted in the USA, it ensures high-quality standards and reliable operation for riders seeking improved gear shifting and transmission efficiency. Please note that for 2006-2009 models, the 6th gear indicator light may not function correctly without an ECU update flash, which is an important consideration for proper diagnostics and operation. The kit includes all necessary components to facilitate a straightforward installation process, helping you minimize downtime and get back on the road quickly. The polished finish adds a sleek, professional look that complements your bike’s aesthetic while delivering performance benefits. This kit is designed with precision and durability in mind, ensuring long-lasting performance even under demanding riding conditions. Whether you're upgrading for better shifting, increased torque, or enhanced reliability, the Jims Fat 6 Super Gear Kit is a dependable choice for Harley Davidson enthusiasts looking to optimize their bike’s transmission system.

Features:

• Assembly: Kit is assembled and ready for installation

• Compatibility: Fits Harley Davidson FXST, FLT, FXD models from 2007 to 2016

• Country of Origin: Made in the USA

• Note: 2006-2009 models 6th gear indicator light may require ECU update for proper function

• Finish: Polished for a sleek, professional appearance

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 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 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