Thread: BB Chevy #3899660BM Single Groove Pulley ??
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Old 01-27-2018, 06:54 PM
STEFS STEFS is offline
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Default BB Chevy #3899660BM Single Groove Pulley ??
I have these 2 660 BM pulleys that are single groove, but should be double groove right ?? These came out of Jenkins Competition so may be thats the answer??? please advise thanks joe
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