First start up
This motor was taylor built for Turbo application, less Transfer timing & Exhaust Duration for more low end torque.
This motor was built with 2015 800 RMK 85mm Twin Ring oem Polaris Pistons
Rods are a little less then a 1/2 inch longer then the stock 850 rod
The Turbo specific motor does not use a cylinder spacer.....This Motor is built with oem Twin Ring 85mm Cast Polaris Pistons.