BILLET BLOW OFF VALVE (BOV) KIT FOR POLARIS RZR BOBCAT Evolution Powersports was the first

Evolution Powersports was the first in the industry to tune the RZR XP Turbo and haven't looked back since

WARNING: WHILE KWI USA PERFORM THE SHEAVE CUTS THEY MIGHT FOUND SOME UNREPAIRABLE LOW SPOT OR OTHER DAMAGE TO YOUR CLUTCHES SHEAVES

as well as EVP's Turbo Race Intercoolers

6061 Billet Aluminum sight glass

The world’s best secondary rollers are now available for the Polaris RZR Pro R

BILLET BLOW OFF VALVE (BOV) KIT FOR POLARIS RZR BOBCAT Evolution Powersports was the first*STOCK IS SUBJECT TO AVAILABILTY* For a BOV to work consistently and not leak, tolerances must be held to an extremely high standard. The EVP BOV body, cap and piston are precision CNC machined from billet aluminium with tolerances that approach within . 0003". The sliding components are hard anodized and coated so the BOV will last the lifetime of the engine. For each vehicle engine type we make BOV kits for, the spring rates are properly matched for