Description:100% Brand New and High QualityGM 8.2″ Chevy Posi Unit – 28 Spline w/ Carrier Bearings/RacesFits 3.08 Numerically Higher Gear Ratios (3.36, 3.55, 3.73, 4.11, 4.56, etc)Nodular Iron CasingHeavy Duty Composite Clutches, 400lb Springs Forged 4130 InternalsAxle Placement: RearAxle Spline :28Cover: 10 BoltGear Ratio: 3.08 And UpModel:GM 8.2″Interchange Part Number:19603-010Fit For:GM 8.2″ Chevy Posi Unit – 28 Spline w/ Carrier Bearings/RacesFits 3.08 Numerically Higher Gear Ratios (3.36, 3.55, 3.73, 4.11, 4.56, etc)Package Includes:1x GM 8.2″ w/ 28 Spline Limited-Slip Locker2x Carrier Bearings2x Carrier Bearing Races