You guys called it. Even after a good hone the bore is so pitted that i'm not even going to try an install the kit. The holes in master leading to the bore are clogged and the whole thing is full of sludge and rust. Tried oreillys, napa, carquest, etc and they all have the wrong master. I'll have to look into getting it sleeved. It is casting #2225601. Thanks!!