B&M Support Differential Cover Hardware Included Aluminum Natural - GM Truck 12 Bolt H77215FM Combined with a special built

Combined with a special built high static pressure fan

Flexplate Transmission Shield

Timing Cam Gear

Make your own machine keys with heat treated 8630 alloy steel

B&M Support Differential Cover Hardware Included Aluminum Natural - GM Truck 12 Bolt H77215FM Combined with a special builtCast Aluminum Differential Cover for GM 8. 875" 12 Bolt Truck, Extra Capacity B&M'specializes in performance automatic transmissions, torque converters, SFI approved flexplates, legendary automatic shifters, precision manual shifters, and many other transmission products including cast deep aluminum transmission pans, transmission coolers, and automatic transmission fluid. B&M Performance and Off Road has been at the vanguard of the growing automotive