TheSamba.com Forums   Forum Index -> HBB Off-Road -> Help with switching IRS to 5 lug.   View original topic: Help with switching IRS to 5 lug. Goto page Previous  1, 2 sxuxrxf Sat Nov 21, 2009 8:33 pm Thing drums are a direct replacement for a 4 lug bug drum, although they will add about an inch to each side. I used 'em on my '72 without swapping anything else. Powered by phpBB © 2001, 2005 phpBB Group