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1983-1989 Automatic 7-Tooth 3.55 Ratio / Orange 20 Speedo Gear

1990-1998 Automatic 8-Tooth 3.55 Ratio / Black 23 Speedo Gear

Other than buying it and installing it for you this is all i can do.....:gringreen

..I have a borg warner T5, that I was told came of a 83 mustang( but im not really sure ) how would I know which speedo gear I need? I just installed 3.55.
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