Seller notes

Fitment： Fits Chevy GM 8.5" with 28 spline axlesAxle Splines: 28Compatible Gear Ratios: 2.73 & Numerically Higher Gear Ratios (3.08, 3.42, 3.73, 4.11, 4.56, etc) Description: 8.5" Posi Unit - 28 Spline w/ Carrier Bearings/Races 100% Brand New and High QualityItem Type:Limited Slip LockerWarranty:1 YearType:Posi DifferentialAxle Splines:28Compatible Gear Ratios:2.73 & Numerically Higher Gear Ratios (3.08, 3.42, 3.73, 4.11, 4.56, etc)Fitment Type:Direct Replacement Part Number：19557-010,195570...

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