B&M Hi-Tek Aluminum Differential Cover for AAM 11.5 - Black LBZ / LMM Duramax " Installation is straightforward thanks to

Installation is straightforward thanks to the bolt-on design

First it slows the air down so that all of the tiny intercooler passages don't cause unnecessary drag

Utilizing the factory mounting locations provides stability and a hassle-free installation

and a rear track bar bracket for complete suspension optimization

Gasket Kit - Overhaul

B&M Hi-Tek Aluminum Differential Cover for AAM 11.5 - Black LBZ / LMM Duramax " Installation is straightforward thanks toOur 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