From what I have gathered they were the same from 60-63 and then changed for 64-66. The early one had the word custom on the bottom of the piece with small horizontal ribs resessed above. The later one had the work custom in the middle of the piece with horizontal ribs above and below which were not recessed.

At least that is what I have observed...


Mike Kelley
1966 Chevy C10 SWB - 250 L6/S10 T5
2002 Chevy Ext 1500 4x4

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