Big Bore 935 Kit - '15-Up RZR 900 and '13-Up Ranger 900 Cylinder Core Exchange Options:Opt 2: Core Charge - Refunded when cylinder sent back in High quality top end gaskets

High quality top end gaskets sets made by Winderosa meet or exceed the OEM specs

Total Grams

bored throttle bodies and bigger valves

The industry's first changeable internal stinger for Bikeman Pipes

Porting for maximum airflow and efficiency

Big Bore 935 Kit - '15-Up RZR 900 and '13-Up Ranger 900 Cylinder Core Exchange Options:Opt 2: Core Charge - Refunded when cylinder sent back in High quality top end gaskets96mm Big Bore Cylinder Kit (Fits Polaris 900 RZR & Ranger 900) Unleash the full potential of your Polaris 900. This 96mm Big Bore Kit delivers massive increases in both horsepower and torque, pushing your machine to 100+ crankshaft horsepower. That is an incredible jump from the stock 74 HP RZR motor, and an even bigger leap for the 60 HP or 68 HP Ranger motor. We take a stock 900 cylinder, precision bore it, and Nikasil plate it to our exact