save your money I used 1/8th inch plate steel ad made a template out of aluminum coil stock with hole center then cut out bad and butwelded. looks perfect and cost about $3 I can get a pic of it if you want to see it and the pattern I made
Jerry Tallman 69 455/4sp Windward Blue, deluxe parchment bench seat, under major restoration je_tallman@yahoo.com