i just ordered and recieved today mounts for my 39 the kit was a univeral one "not a crossmember type" but its a trim to fit bolt in one the whole thing only ran me 60.00 got it from a companty named Chassis Engineering Inc. very happy with the looks of it and the installation "still have that to go but looks fairly easy and your bay isn't cluttered with crossmenbers you don't need
here is their site link /
www.chassisengineeringinc.com