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STM Sidewinder Gear Case Diamond Drive Chain Case Upgrade

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 Product Description

An all billet drop in transmission for your Diamond Drive.  A chain case drive that uses HYVO chain and gears from Polaris.  We can now gear from 70 mph to 200 mph just by changing gears and chain the old fashion way! During track Dyno testing we found a 10 hp increase to the track just by adding the chain case. Our chain case has been tested on the grass and ice with 300+hp nitrous sleds and 400+hp turbo sleds.   We are very confident and pleased with the performance and longevity of the Sidewinder chain case.

Due to limited space inside the chain case different gear combinations will require different length chains.  We have combination for your specific MPH available upon request.


APPLICATION # 12121186


Part# 42CC F-CHASSIS (07 or newer) - Requires a 13.5" wide track
Part# 43CC CROSSFIRE CHASSIS- Requires a 14.0" wide track

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