Frequently Asked Questions About : Differential Ring & Pinion EXCEL F9557, For Ford 9", Gear Ratio: 5.57, 10-Bolt, 28 Spline, 7 Pinion & 39 Ring Tooth - Fits Ford, Lincoln, Mercury - 1955-1986, Replaces OEM Ford 9" Gears
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What is the gear ratio of the EXCEL F9557?
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What vehicles are compatible with the EXCEL F9557?
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What materials are used in the EXCEL F9557?