Jims Fat 6 Gear Kit 6-Speed Polished for Harley Davidson Twin Cam

Upgrade your Harley Davidson Twin Cam's drivetrain with the Jims Fat 6 6-speed transmission gear kit, engineered for superior strength and performance. This heavy-duty gear kit is designed to handle increased loads and deliver smooth, precise shifts, making it an essential upgrade for any serious rider.

Description

The Jims Fat 6 6-speed transmission gear kit offers an unparalleled performance upgrade for your 2007-2017 Harley Davidson Dyna Street Bob FXDB 1584 and Dyna Super Glide Custom FXDC 1584 models. Experience a significant boost in durability and power handling thanks to gear teeth that are straight cut and boast a remarkable 53% increase in width compared to stock components. This enhanced design allows for substantially greater load capacity and inherent strength, crucial for high-performance applications. The entire assembly is housed within a robust 6061 billet aluminum big bearing trap door, meticulously crafted to minimize flex even under extreme conditions. Jims' innovative quick shift ring technology is integrated to eliminate the common "clunk" sensation during shifts, providing a remarkably smooth and quiet gear transition. While maintaining gear ratios similar to stock, including a 1:1 final drive ratio, this kit represents the strongest and toughest 6-speed gearbox available. Constructed from aerospace-grade 9310 steel and featuring a lightened one-piece steel shift drum, this Jims performance gear kit ensures longevity and reliability. It's fully compatible with your stock gear selector and requires no modifications to your bike's case or exhaust mount, simplifying installation. Proudly made in the USA and assembled in Jims' technologically advanced facility, this polished transmission cover kit is built to last.

Features & Highlights

• Enhanced Strength & Load Capacity: Featuring straight-cut gears with a 53% increase in width over stock, providing exceptional durability and the ability to handle higher horsepower and torque.
• Superior Drivetrain Stability: Assembled into a precision-machined 6061 billet aluminum big bearing trap door, significantly reducing flex for consistent performance in demanding situations.
• Seamless, Quiet Shifting: Utilizes JIMS® quick shift ring technology and a lightened one-piece steel shift drum to virtually eliminate shift "clunk," ensuring smooth and responsive gear changes.
• Aerospace-Grade Construction: Crafted from aerospace-grade 9310 steel, guaranteeing the strongest and toughest 6-speed gear box for ultimate reliability and longevity.
• Direct OEM 6-Speed Performance Upgrade: Provides a substantial performance boost while maintaining stock-like gear ratios, including a 1:1 final drive.
• Effortless Installation: Designed for compatibility with your stock gear selector and requires no modifications to your motorcycle's case or exhaust mount.
• American Made Quality: Proudly manufactured and assembled in the USA in JIMS' advanced facilities, reflecting superior craftsmanship and engineering.

Technical Specifications

• Type: Transmission
• Model: Fat 6
• Product Name: Gear Kit
• Transmission Type: 6-Speed
• Material: Aerospace Grade 9310 Steel, 6061 Billet Aluminum (Trap Door)
• Finish: Polished End Cover
• Units: Kit
• Vehicle Fitment: Harley Davidson Dyna Street Bob FXDB 1584, Dyna Super Glide Custom FXDC 1584 (2007-2017)
• Vendor Part Number: 8601
• EAN: 11030065

Important to Know

• Compatible with your existing stock gear selector.
• No modifications to the motorcycle's case or exhaust mount are required for installation.