GM 8.5in./8.6in. 10 Bolt Aluminum Cover Black For Use On GM 8.5in. And 8.6in. Rear Axles Only;Cast From Lightweight Aluminum To Dissipate Heat;Black Powder Coat Finish;ReinForcing Ribs For Added Rigidity And Strength;Heat Treated And Shot Peened To Help Handle A Direct Impact;Fully Machined Seal Surface For A Leak Free Installation with Has Drain Plug G2 Axle and Gear G2 GM 8.5 Inch/8.6 Inch 10 Bolt Aluminum Cover Black - 40-2021ALB 40-2021ALB Differential Covers
