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B&M 70503 Cast Finned Aluminum Rear Differential Cover GM 8.2" 10 Bolt B.O.P.

B&M 70503 Cast Finned Aluminum Rear Differential Cover GM 8.2" 10 Bolt B.O.P.

Regular price $276.95 USD
Regular price Sale price $276.95 USD
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Product Specification  Part Number 70503

Please contact before ordering if you have any fitment questions.


Application Summary Designed to fit most vehicles with GM 8.2" 10 Bolt B.O.P. differential, however each vehicle may have other interfering components and adequate clearance and fitment should be verified prior to purchase & installation. Refer to ID guide and measurement diagram for specific dimensions.
Features B&M Cast Aluminum Differential Covers are designed to strengthen the differential by preventing case distortion and ring gear & bearing cap deflection. Constructed of A356.0-T6 aluminum, these rugged covers significantly increase the fluid capacity and dissipate heat much faster than the stock factory unit to prolong the life of your ring and pinion gears. Additional features include an engraved B&M logo, drain and fill port locations, a magnetic drain plug for catching ferrous metal particles, and complete hardware and installation instructions.
  • 0.4 quarts extra fluid capacity and cooling/strengthen ribs keeps temperature cooler
  • A356.0-T6 Aluminum Construction
  • B&M Logo Engraved
  • Load bolts provide additional support to bearing caps
Bolt Count: 10 Call Out Size (in): 2.83
Thickness (in): 3.43 Material: A356.0-T6 Aluminum
Package Contents: Aluminum cover, fill & drain plugs, bolts & washers, load bolts & nuts, warranty Title: B&M 70503 Cast Aluminum Differential Cover for GM 8.2" 10 Bolt B.O.P.
Bolt Pattern: GM 8.2 B.O.P. Gasket Included: No
Finish: Raw Aluminum Carrier Main Cap Support: Yes
Drain Plug Included: Yes Filler Plug Included: Yes
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