This cover features external fins and increased fluid capacity over stock to dissipate unwanted heat. It is cast out of T6 Aluminum for added strength and durability. B&M added load bolts to the cover to help support the bearing caps from deflection and incorporated a magnetic drain plug to make servicing easier. Differential cover includes stainless steel mounting hardware.

Chevy /GMC 67-81 1/2 & 3/4 Ton 2wd and 4wd Rear with 8.75" Ring Gear
Full Size Blazer 67-81 2wd and 4wd with 8.75" Ring Gear
Full Size Jimmy 67-81 2wd and 4wd with 8.75" Ring Gear

B&M Aluminum Chevy Truck 12 Bolt Differential Cover w/ Support Girdles