Big Bore Engine Kit / RZR 1065cc

This 96mm big bore for your Polaris 1000 significantly increases horsepower and torque! We take the stock 1000 cylinder and precision bore and nikasil plate it to our specification. We then send you with 2 high performance forged pistons, rings, circlips and wristpins. It also includes a base gasket and head gasket. Stock cylinder exchange required unless purchasing outright. 

Included in base kit: Bored & Re-Nikasiled cylinder, two pistons, rings, circlips, wristpins, base gasket, and head gasket.