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  1. FR500 Wheels on F5R Roadster with IRS & Wilwoods

    Tire & Wheel Forum
    I am not an expert on wheel fitment and need help figuring this out (yes I searched and was even more confused trying to calculate the offset). I've got an F5R Mark IV Roadster with an IRS and Mike Forte's 6/4 piston Wilwood Brakes. I have a set of FFR supplied 17"staggered Halibrands but I...