B&M Hi-Tek Aluminum Differential Cover for GM 8.875-inch 12-bolt Truck 2002 pontiac firebird these chrome-silicon alloy springs provide

these chrome-silicon alloy springs provide exceptional fatigue resistance and high-tensile strength

Features include a 3

A Flow FX series muffler is used with a built in X-pipe style merge for an aggressive to moderate European exhaust note and increased performance

For installing AutoMeter Mechanical temperature gauge probes on applications that do not allow for drill and tap method

Viscosity Index 164

B&M Hi-Tek Aluminum Differential Cover for GM 8.875-inch 12-bolt Truck 2002 pontiac firebird these chrome-silicon alloy springs provideOur 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