ncd1966

iTrader: (2)

I am looking to put a set of drag lites on my 98 Trans Am i have the front rims 15x4.5 with some M/T sportsman on front. But i looking a puting a 15 X 8 on back. I am not sure what backspacing i need with and i probably use a M/T Et street 28x12.50x15 thanks for the help

WickEdSix98

iTrader: (4)

5.5" backspacing for a 15x8" rear, or 7.5" backspacing for a 15x10