HELLO I M LOOKING FOR A 1978 NEW YORKER WIPER MOTOR DRIVE BUSHING THAT THE MOTOR PITMAN ARM HOOKS OFF OF . THE ARM HAS A 7/8" HOLE .I cast resins, I can make these and plus I need one or to make one for my own 78 new yorker brougham,any help and then I could help OTHERS in need of this part NO NEED TO CONVERT TO A MAGNUM UNIT.thanks Craig -BOTH PIECES PLEASE OR AT LEAST THE CENTER ONE THAT THE SHAFT GO'S INTO AND CLIP