Don't!!!!!!!!!!!!!!!!!!!!!!!!!!
Just spend the money and fix it with Merc parts.
How do I know? I had a kit done and it lasted about 3 months. The repair place had put JB weld in it to smooth the grooves. Lesson Learned..... Do it right the first time.
http://i142.photobucket.com/albums/r...9/101_2230.jpg
http://i142.photobucket.com/albums/r...9/101_2229.jpg