Re: GM Truck RPO characters - (Regular Production Option)
You are welcome.
You are not going to be able to get that level of detail through the RPO.
For example, for rally wheels the RPO is N67, but that covers 15x6.5, 15x7 and 15x8, depending on the vehicle (van vs pickup) and tire size used. Same RPO, different wheel widths selected by the engineering release charts.
K
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