aingaran92 0 Report post Posted October 28, 2018 hi guys I'm quite new to this forum and I am planning on getting a wide body kit for a gt86 however I am not quite sure how to calculate the wheel spec for the wheels the front fenders will be 60mm wider and rear will be 90mm wider currently I got the stock on the car which I believe are 17inc and I'm looking to get 18inc for my new wheel someone please help me... I know this had been on many forums before and I read alot about it but I'm getting like different answers from different forum so I thought as I joined this someone on here might be able to help me Share this post Link to post Share on other sites