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Many 8.5 Inch ring and pinion ratios to choose from. 8.50" diameter ring gear 1.625" diameter pinion For rear axle application that uses 10 ring gear bolts & 10 cover bolts 30 pinion splines Uses LH thread ring gear bolts - 7/16"-20 8.5 R&P Note: When replacing a stock 2.56 (or numerically lower) ratio 8.5 Inch Ring and Pinion, the carrier must also be replaced with a 2.73 or higher ratio's carrier to compensate for the difference in ring gear thickness.
10 Bolt 8.5 Ring & Pinion, 3.73 Ratio Z231
Sale price
$21.99
Regular price $94.44
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