IMO, around 3 3/8"...let me take some pics from the front to post01blkext said:i have the 6 inch fabtech on a v6. I am going to be running 33 12.50s and I was wondering a good backspacing so my tires dont stick out tooo much and so my tires dont rub. oh and I am going with either 15x8s or 15x10s