1978-1987 Grand Prix B&M Cast Aluminum Differential Cover, 8.2 Inch, 10 Bolt, B.O.P. 70503

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.
Features:

• 0.4 quarts extra fluid capacity and cooling/strengthen ribs keeps temperature cooler
• Load bolts provide additional support to bearing caps
• B&M Logo Engraved
• A356.0-T6 Aluminum Construction

Manufacturer Part Number : 70503

Part Notes:

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.