hey guys. i have a 2001 polaris trailboss 325. i recently put in a big bore kit and stretched it 4 inches. but there is only 1 problem. i keep strippin the splines on my wheel hubs. so ive descided im not going to use those cheap aluminum sock hubs anymore. im going to buy steel. but dose anyone know what size the bore is for these hubs? i know there 4 bolt on a 4 inch circle 24 splines, but i dont know what size the bore is? plz reply asap. want to get back on my rig!