If you're putting on lew legs on the JP Steve how are the threads in the leg plates (the bit inside the cabinet that the leg bolts screw into) .
I have a Data East Star Wars that I recently replaced all the threaded leg plates in . I used the Williams/Bally type with extra thread :
http://www.pinballspareparts.com.au/index.php?crn=217&rn=638&action=show_detailThey fit basically straight in (you have to buy some screws to attach them to the inside corner ) but are heaps better than the original DE ones that don't have a lot of thread and strip out easily .