Not quite year correct but I have this Royce 604 in the Blue Bomb. Not sure if it works and I don’t have a suitable antenna anyway, but it fits the truck well.
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I live in California, but identify as a Texan 
"If a job's worth doing, it's worth doing well"
Project "
Little Sister" (70 c10 blue original paint refresh)
Project "
C10 Fever" (68 factory black 396 swb)
Project "
Blue Bomb" (70 c30 blue original paint refresh)
Project "
Vitamin C" (71 c10 orange original paint refresh)