This high quality Cometic top end gasket kit for you 900 RZR meets or exceeds OEM specs

we add heavy-duty valve springs

High-friction steel rotors

stock-style compression spring we offer has a much better rate and is designed to work with our custom helix

not inside the plenum for maximum core surface area

Big Bore Complete Kit 1065cc / RZR XP1000 ('14+) Category_Default Category/SXS/Can-Am/Maverick X3 This high quality Cometic topThis 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