We went from smoking hot to being able to hold the clutches for an extended amount of time

**This kit requires your head to be sent to us for core charge** You can purchase head outright for additional cost

Please note that these come standard with our turbo outlet manifold

Water Proof

you’ ll see our clutching hold RPM much better and track speed will increase because of this

Big Bore 900 Kit / Patriot 850 - SKU: 09-311 / Category_Default Category/SLED/Arctic Cat/8000 C-Tec '18-Up We went from smoking hotPatriot 900 Big Bore Top End Kit (Fits Polaris Patriot 850 Models) Transform your Polaris Patriot 850 into a high horsepower monster. This 900cc Big Bore Kit delivers insane arm stretching power, massive mid range pull, and the kind of torque that makes it hard to keep your skis on the ground. Performance & Features Massive Power Output: Realize 195 to 215 Horsepower (depending on your chosen exhaust configuration and tuning). Premium Components: