I put a 14 bolt 9.5 inch under my 88 Chevy Scottsdale and can not find the right seal for it. Old seal had a 2pc.seal on it one on yoke other in rear end. Any help with this had to modiify yoke to fit drive shaft is there a direct replacement for yoke and seal. I wsa told rear-end would be direct bolt in yea right that did not happen.