I have a GM Cast Iron P.S. pulley that is double deep groove that may be mis-boxed.
The part number on the box is 3941105. I thought that number was for a single deep groove pulley.
The only thing else that is on the pulley is "1A" "GM" and "2A".
Any ideas?
__________________
Rick
69 Chevelle SS396 Silver L78 M21 Post Sedan (Berger Chev.)
69 Chevelle SS396 Black L78 4-speed 4.10 Post Sedan
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