If you don’t paint them you only need to pressure wash them off once a year. If you paint them you will be out there hand washing every week Fix...
So it looks like 2-3/4” C to C for 1978 is what was originally installed from the from the factory?
Interesting I have a 1978 C5 and mine measure about 4 1/4” center to center, anybody know what stock would be?
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