Gm 3921923bm single groove pulley ?????

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Gm 3921923bm single groove pulley ?????

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03-12-2018, 11:54 AM

JRSully JRSully is offline

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Post a pic of it, if you have it. I have had one of these for years, same p/n and wondered if it was orig or not. I cannot see Chevy having the same for a single and double groove pulley, but who knows for sure

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