Customizing Chevrolet Gmc C10 Trucks Spid
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The sticker on the inside of the glovebox door is called the SPID (service parts identification). It will tell you the options that came on the truck. If a truck has a factory option, but it isn’t listed on the SPID, chances are it was dealer installed or at sometime later in the truck’s life. A good example is the power steering on Reggie’s ’68. View Related Article
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