The 225 45 18 is cheating and is real close to 10” wide... close enough where I opted to use the 225 width up front on 18x9’s and use the 265’s in back on the 18x10’s... the width differences btwn 265 and 305 both on the 10” wide rear rim was not sooooooo much wider that I had to have it... so I have Qty: 04 305 new slicks stacked in a hot water tank closet - Yes, for sale (unadvertised)