WILL WORK WITH ALL 4", 6", & 8" PORTALS. YOU MUST ENTER THE MAKE AND MODEL IN THE DESCRIPTION BOX.  If you are looking for a solution to getting your monster ATV or SXS inside your garage or shop door, then we have your answer! These Roller Wheels are made of 1/4" all American Steel. They have a 15" diameter and come in raw steel to be the most cost-effective. They also have both Can Am and Polaris lug patterns cut into them to fit most any machine! For a couple of height references, if you are running a 40" tire these will lower the machine 12". If you are running 46" tire these will lower the machine 15".