ill look up the part for you and get back in a little while,as far as the shifter its the same one,only you have to get the new plate that allows you to have all 4 positions 1 2 3 and od then neutral reverse and park,they sell them at boetie overdrives and then you also get the decal so it says all of those and looks like it came that way,,,you now have a 4speed with a 3 speed shift plate you need the 4 speed plate ,,some guys file it, i just buy the correct stuff and baggie the old for the furture,as far as the seat belt plate,,,its in corvette centrals current catalog that came out last mth,,, catalog # 3 f,,,page 133 picture in lower right corner part #483136(left or right)72-73 underbody seat belt reinforcement $59.75 a piece,,,,go to the left on the home page for the forum where on the left all the vendors are ,,,click on corvette central and when there site opens enter the part # and do a serch,,,a photo will come up of the plate were talkin about,,,while your there click on ''get a catalog''and fill out the mailing info,,,,thell send you the new catalog in 3 days,,,i just got mine called last monday had it by thursday