THE NEW V FORCE REEDS FOR THE POLARIS HAVE A RUBBER COATED CAGE LIKE AN OEM. THEY DID THIS TO MAKE THEM LAST AND BE VERY DURABLE. THEY ARE WORKING EXRTREMELY WELL TOO! DYNOTECH RESEARCH SHOWED A SOLID 4-6 HORSEPOWER GAIN! THEY WORKED SO GOOD THAT THEY EVEN COME STOCK IN THE AXYS 800. GREAT THROTTLE RESPONSE AND VERY DURABLE NOW TOO! A MUST HAVE EVEN... THE NEW V FORCE REEDS FOR THE POLARIS...