8.5 Inch GM 4.88 Rear Ring & Pinion, Install Kit, 30Spl Posi, Axle Bearing & Seals USA Standard Gear Heating & Cooling - Air Conditioning - A/C Condenser Mount they come with both curved

they come with both curved and flat mount backings

Very Useful When You Need Extra Articulation

Not compatible with Hei distributors Cast 356-T6 Aluminum Construction

This lift kit comes with a limited lifetime replacement warranty

Also works with your custom analog or resistance sensor

8.5 Inch GM 4.88 Rear Ring & Pinion, Install Kit, 30Spl Posi, Axle Bearing & Seals USA Standard Gear Heating & Cooling - Air Conditioning - A/C Condenser Mount they come with both curvedUSA Standard 8. 5 inch GM, 4. 88 Ratio Rear Ring and Pinion Gear Set and Master Install Kit Package, with 30 Spline Yukon Dura Grip Limited Slip Positraction, Axle Bearings and Seals Details: Rear Differential 8. 5 inch GM Gear Ratio 4. 88 Location Rear Structured Ring and Pinion Install Kit Spline 30 Spline Positraction Yes Axle Bearings and Seals Yes Warranty Warrantied against manufacturing defects for one (1) year Sold As Kit Features: