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The almost unlimited growth of rear tire width has drive the Custom Bike Builders to the outer limits of offsetting primary drives in existing frames. Zodiacs 55mm primary offset kit is really the limit of what is possible, extending the main shaft further will put too much torsion stress on the shaft, the 330 tire really needs a different approach.
We strongly feel that instead of offsetting the primary to the extreme, it is better to leave the primary in the original position and move the final drive over to the right side. Zodiac developed a swing arm and transmission conversion kit that allows the use of a 300 or 330 wide rear tire in a stock Evolution or Twin Cam Softail frame,
Zodiac offers two very cost-effective solutions, one with a Right Side Drive conversion kit P/N: 701830, 701820, 701810 & 701801 that re-uses as many stock parts as possible, and one with a Right Side Drive builder's kit P/N: 701831, 701821, 701811 & 701801.
The Right Side Drive transmission conversion kit only includes the parts that are needed to convert your stock transmission into a Right Side Drive transmission. It includes parts such as: main shaft, counter shaft, shift drum, shift forks etc... It also includes a new Billet trap door that gives room for the main drive gear.
To avoid any "not wanted" load on the cast transmission housing, Zodiac have designed the trapdoor in such a way it is not only supported by the lower frame tube but also by the swing arm pivot. To make the internals of transmission stronger, the fifth gear countershaft has become an integrated part of the countershaft.
Zodiac has completed the kit with the required hardware new seals and gaskets. Some builders may not want to use their old transmission gear, for those there is a complete builders kit available P/N: 701831, 701821, 701811 & 701801.
Builder's kits have the gears and shafts installed on the trap door, and include all internal parts of the transmission. You can use these in your own or new transmission housing. All Right Side Drive conversion and builders kits use a special Right Side Drive clutch actuator/pulley cover, which is separately available P/N: 720375 - Cable clutch in chrome, 744129 - Hydraulic clutch in chrome or 723470 - Hydraulic clutch in black.
The cable operated clutch actuator works with stock Big Twin clutch cable, the hydraulic operated clutch actuator requires an 11/16" bore master cylinder.
NOTE: Installation in Softail "Deuce" models requires some modification of the frame and swing arm.
Estimated shipping date between 26 Nov and 29 Nov.
