B&M Hi-Tek Aluminum Differential Cover for Sterling 10.25/10.5-inch -Black-41299 differentials-and-parts 4 V8 1976 - 1978

4 V8 1976 - 1978 GMC C25   454/7

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B&M Hi-Tek Aluminum Differential Cover for Sterling 10.25/10.5-inch -Black-41299 differentials-and-parts 4 V8 1976 - 1978Overview: Our 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