6-speed
6-into-4 Complete Transmission
$ 4,395.00
Made to satisfy the old school tendencies while providing the ability to run reasonable RPM’s at highway speeds. Panhead and Shovelhead riders will love the ability to ride hard with...
DD6: Direct Drive 6-Speed Builder's Kit
$ 3,195.00
From an engineering standpoint, it is difficult to design a machine or mechanism that achieves multiple objectives with minimal compromise. An amphibious car is a good example. A few have...
DD6: Direct Drive 6-Speed Complete Transmission
$ 4,395.00
If you enjoy riding for long periods of time you will enjoy the quiet, vibration dampened, worry free riding that comes with this transmission. This is the transmission for the...
F6R: Factory 6-Speed Reverse
$ 2,695.00
Designed, manufactured, tested, proven and beloved - the industry's leading reverse drive for Harley-Davidson is the easiest to use and most worry-free system. Our non-invasive reverse gear system was designed to...
GrudgeBox Builder's Kit
$ 3,695.00
The GrudgeBox is a tough overdrive 6-speed to replace your stock 6-speed! The GrudgeBox was engineered with a focus on excessive torque capacity and crisp shifting. All gears are straight...
OD6: Overdrive 6-Speed Builder's Kit
$ 3,195.00
This is the ORIGINAL 6-speed design that revolutionized the American V-Twin industry. It’s still the best overdrive 6-speed built to this day…hands down. Our OD6 is built to comfortably handle...
OD6: Overdrive 6-Speed Complete Transmission
$ 4,395.00
This is the ORIGINAL 6-speed design that revolutionized the American V-Twin industry. Yet, it’s still the best overdrive 6-speed built to this day…hands down. Our OD6 is built to comfortably...
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Haslett, Michigan 48840 USA | Call Us: 517-339-3835
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