i have the rear 3 inch spacers the black ones.. i think there the polyurethane ones that came on my quad, problem is the people that put em on took the wheel studs out of the hub and just put a long grade 8 bolt in there and it doesnt fit right....half the time when i put the wheel back on it wobbles cuz u cant ever get it to line up right..so does anybody know where i can get the stud extensions cuz i cant seem to find em thanks for the help