Our best performing 858 kit! making 50+ HP midrange gains and an an...
Turn your 858 into a rocket with this stage 2 kit! making 40+ HP...
Our stage 1 is no questions asked, the best bang for your buck in the...
PREORDER The ONLY aligned Belt drive assembly on the market for the...
Our Billet Head for the Arctic Cat 858 is an easy way to bolt on some...
High performance, reliable, tuner-less and wallet friendly. These were goals when Silber set out to make the new 850 kit and they've hit every mark. Make no mistakes about it, this is a game changing kit for the 850. Silber is the first company to utilize the factory ECU/ECM to control fueling requirements for the turbo. High performance, reliable,...