Purchased an 8" hydro assist kit from Inchwormgear.com. Asking $200 shipped anywhere in the lower 48 US states. Tapped toy steering box for $125 plus shipping. Or buy both for $325 shipped.
As far as trades, I'm looking for a Detroit Truetrac for a hp44 3.92 and up. I'll even throw in the lock right locker that's in my front axle now when I swap it out.