B&M Hi-Tek Aluminum Differential Cover for GM 8.875-inch 12-bolt Truck - Black

B&M Hi-Tek Aluminum Differential Cover for GM 8.875-inch 12-bolt Truck - Black Engineered for superior performance, this thick A356.0-T6 aluminum differential cover dissipates heat significantly faster than factory steel units, maintaining lower fluid temperatures under demanding loads. The reinforced center bar and load bolts provide extra strength to prevent bearing cap deflection during severe driving conditions. Its internally smooth, rounded design preserves optimal fluid flow across the ring gear, ensuring proper lubrication and cooling of bearings and gears. Built to enhance durability while delivering the professional appearance your truck deserves.