Re: PULLEY PLATING
Looking at the '69 Camaro smog pulleys most of the original 458 smog pulleys I've seen are painted black. I don't think I've seen the nearly black manganese phosphate plated pulleys used much after early 1969. My Jan. '69 built Z had the nearly black plated 458 pulley. Original mid-year '69 smog systems I have use the painted pulley.
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