B&M Hi-Tek Aluminum Differential Cover for GM Silverado/Sierra 1500 -Black-71506 exhaustrepair 3L V8 1966 - 1968

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B&M Hi-Tek Aluminum Differential Cover for GM Silverado/Sierra 1500 -Black-71506 exhaustrepair 3L V8 1966 - 1968Overview: 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