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The Yukon Dura Grip limited-slip re-gear kit modernizes GM 8.5" differentials with an upgraded ring-and-pinion and positraction unit to boost traction and durability. This 3.90 ratio kit ships with the Dura Grip LSD, ring and pinion, bearings and installation hardware. Coverage includes many GM 8.5" applications such as 1970–1996 Chevrolet Caprice and classic 1970–81 Firebird Trans Am and 1970–77 GTO models.
Yukon Gear 70-96 Chevrolet Caprice Limited Slip & Re-Gear Kit - 8.5in Diff 28 Spline 3.90 Ratio
