Description USA Standard 8.5" GM, 4.88 Ratio Rear Ring & Pinion Gear Set and Master Install Kit Package, with 30 Spline Yukon Dura Grip Limited Slip Positraction, Axle Bearings & Seals
Quick view 8.6" GM 4.88 Rear Ring & Pinion, Install Kit, 30spl Posi, Axle Bearings & Seals (ZGK2020) $1,299.89
Quick view 8.6" GM 4.88 Rear Ring & Pinion, Install Kit, 30spl Posi, Axle Bearings & Seals (ZGK2030) $1,399.89
Quick view 8.5" GM 3.42 Rear Ring & Pinion, Install Kit, 30spl Posi, Axle Bearings & Seals (ZGK2001) $1,299.89
Quick view 8.5" GM 3.73 Rear Ring & Pinion, Install Kit, 30spl Posi, Axle Bearings & Seals (ZGK2002) $1,290.89
Quick view 8.5" GM 4.56 Rear Ring & Pinion, Install Kit, 30spl Posi, Axle Bearings & Seals (ZGK2004) $1,299.89
