It's not a straight swap deal with the savage as the shaft of the savage footpeg has it's own kinda tapered shape and the harley won't be the same.
This thread shows the options -
http://suzukisavage.com/cgi-bin/YaBB.pl?num=1181745927it's in the SuzukiSavage.com › General Category › Technical Documents/Reference › Table of Contents with links
My turn I suppose