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Thanks for the reply guys... but I'm looking at individual parts themselves that are COPO specific with their own ID tag that actually has
COPO printed on it with a GM part number. -such as springs, sway bars, gauges...Paul
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99% of the parts on COPO cars weren't "special" parts - they were already released for use on other regular production models or RPO applications, and the COPO just authorized their use for the specific COPO application. For instance, lots of COPO suspension/brake parts were already released for heavy-duty Police/Taxi applications, etc.
