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...
Get more power out of your Catalyst with this one simple mod! Our stage...
Get more power out of your Catalyst with this one simple mod! Our stage...
Get the most power out of your Catalyst with this complete kit that...
Get the most power out of your Catalyst with this complete kit! Our...
Subcategories
Get more power out of your Catalyst with this one simple mod! Our stage 1 Kit drastically increases throttle response and pull all the way through the power band. With a revised tune that better utilizes timing, fuel, and added oil you'll not only make more power but also increase durability of internal parts! Pro-Shift Clutching for maximum performance Get more power out of your Catalyst...
Our stage 1 is no questions asked, the best bang for your buck in the industry! making 35+ HP midrange gains and an an impressive 20 HP gain at peak RPM this kit is no joke. the combination of the super torquey jaws pipe, optimized tune and the ONLY true high performance CATALYST airbox on the market set this kit apart from our competitors! Works with... Our stage 1 is no questions asked,...
Turn your 858 into a rocket with this stage 2 kit! making 40+ HP midrange gains and an an impressive 20+ HP gain at peak RPM this kit is no joke. The combination of the super torquey jaws pipe, Boyesen Reeds, billet head, tune and the ONLY true high performance CATALYST airbox on the market set this kit apart from our competitors! Works with the stock... Turn your 858 into a rocket with this...