Hey Rob,my narrowed 8 3/4 housing was 46 5/8 plus 2 1/2 inch brakes,so overall was 51 5/8.My axels are 25 inches from splined end to wheel mount.I talked with my friend thats doing the narrowing and he will get me the proper size axels.Your measurements sound right for my application.Thanks again for you imput.:book: