D dmp0001 Well-known member Joined Sep 15, 2007 Messages 806 Oct 4, 2007 #1 has anyone seen or done one of these bolt on big bore kits? I am interested in how much more power you would get (sorry, I dont know how to make a link) www.revperf.com/XL/xlPerformxb9.html
has anyone seen or done one of these bolt on big bore kits? I am interested in how much more power you would get (sorry, I dont know how to make a link) www.revperf.com/XL/xlPerformxb9.html
L LeFox Well-known member Joined Jun 18, 2007 Messages 3,894 May 3, 2009 #2 xl is the tuber engine (sportster engine) and does not fit the xb.
