No fuel modifications needed on a stock or slightly modified machine

Check out our SuperFlow 902 dyno graph for documented proof of gains

Guaranteed to have a HP gain

Primary Spring

Tons of hours of R&D

Piston Replacement / Patriot 850 Category_Default Category/SLED/Arctic Cat/Z1 Jag '07-11 No fuel modifications needed onWossner Pistons is Germany's finest aftermarket forged piston and rod manufacture and has over 25 years of experience in the high performance racing industry. Looking for top notch quality in a dual ring forged piston? Look no further! These German made Wossner pistons are nothing but the best. Piston skirts come Teflon coated to provide long lasting durability. *Exact product may vary from picture. Each piston kit includes 1 pistons, 1 wrist pin, 2