Okay... ten you wonder? I have 3 cars with 8 3/4 axles. My bro in laws Duster has an 8 3/4. I build and sell cars here and there. THOSE cars leave here with... guess what? An 8 3/4 axle. I like having stock on hand. I'll check those Fel Pro #s at NAPA tomorrow. THANKS AZMopar!