Big Bore Complete Kit 1065cc / RZR XP1000 ('14+) Category_Default Category/SLED/Polaris/Pro-R 800 /Miscellaneous 1 lb/ft of torque gain

1 lb/ft of torque gain

3 different size set screws & tungsten slugs

and head gasket

We have upgraded our exhaust valve technology from a membrane bellow style actuator to a piston style actuator

No fuel changes normally required

Big Bore Complete Kit 1065cc / RZR XP1000 ('14+) Category_Default Category/SLED/Polaris/Pro-R 800 /Miscellaneous 1 lb/ft of torque gainThis is the complete kit you need for over 140+ horsepower on pump gas! Looking for even more? You can go to our stage 2 big bore kit. Proven reliable and to have arm ripping power without having all the extra weight and extra components of a turbo. We have spent more time on the dyno than anyone in the industry to perfect our performance modifications. Our goal is the most power for the money, and we definitely deliver! This kit starts off by adding