B&M Hi-Tek Aluminum Differential Cover for GM 8.875-inch 12-bolt Truck " BD DIESEL Part Number: 75-5091

Part Number:  75-5091

Built to Last

Front Components Lifted knuckles Front crossmember Rear crossmember Upper strut spacers Differential drop brackets Front skid plate Differential skid plate Sway-bar drop brackets Hardware

Filter Service Kit

B&M Hi-Tek Aluminum Differential Cover for GM 8.875-inch 12-bolt Truck " BD DIESEL Part Number: 75-5091Our engineers designed the line of Hi Tek differential covers to not only look good but address a number of weaknesses of the factory stamped steel covers. First, they started by constructing the covers of thick A356. 0 T6 aluminum, which dissipates heat much faster than the factory steel unit keeping the fluid temperature lower under high stress loads vs. a steel cover. Then for added durability, we added a reinforced center bar for extra strength