90halfton
I'm Awesome
Had a 94 dually k3500 that had a 350 and nv4500. Did not own it since new so I'm only assuming it was factory that way.my 95 2500 has the nv3500 and its a 8 lug. If i remember correctly the nv4500 was put behind the 6.5 and the 7.4 not the 5.7 like mine has