When the last types of extra-wide tires were introduced, it seemed that everyone had problems with assembly. How to mount a 270, 280 or 300 tire in a standard Softail chassis? Simple, Zodiac thought! Ton Pels, the boss of Zodiac, has designed a misalignment kit that in combination with the new swingarm and the new support plate allows the use of tires up to 300 in the standard frame and in many aftermarket frames. The enlargement of the frame is obtained with a new 15mm thick side support plate from the banana profile. The side plate must be welded "in place", using the original one as a template. The engine / transmission arrangement in the Evolution models compared to the Twin Cam models has a difference of 1/4 ". This difference allows the installation of the 250 mm rubber in the Softai Evolution frames and 280 in the Softai Twin frames with the 45mm misalignment kit. Cam, while in combination with our 55mm primary misalignment kit, comfortably welcomes the new Avon 300 tire in the Softai Twin Cam chassis, and the Metzeler of 280 in the Softail Evolution chassis.
Complete kits include a swingarm, an offset support plate and a primary misalignment kit. The primary kit includes a spacer ring with support bearing, crankshaft extension with extended nut, primary gasket kit, main shaft extension, main gear extension, offset front pulley, starter motor bolt extension and all extended primary bolts complete with locking plates. OEM brake calipers can be reused. The support plates for the belt cover must be welded on site. The Evolution Softail kit should be used with 1 1/8 "wide Twin Cam style belt with 135 teeth (ZPN238689) and 1 1/8" sheave with 70 teeth. When installing this kit in the models from 1991 to 1993, the secondary shaft of the 5 last gear type (ZPN237074) must be ordered separately. For selected models we have complete kits that include a complete 6-speed conversion.
Complete swingarm with 6-speed conversion for 280 tires
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