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Old 06-16-2018, 01:20 AM
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hgerhardt hgerhardt is offline
Chief Ponti-yacker
 
Join Date: Dec 2003
Location: CA
Posts: 661
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A CS-144 fit my '66 GTO perfectly with no mods required, other than swapping out the serpentine pulley. The old V-belt pulleys have the same shaft dia.