Banks Ram-Air® Rear Diff Cover | 01-19 GM | 03-18 Dodge/Ram | 14-Bolt AAM 11.5" or 11.8" Select Finish:Natural Aluminum you can never lose by

you can never lose by installing a set of ARP fasteners in your engine

Featuring internal baffles for reduced sloshing and enhanced heat dissipation

streetability

If you have a 4 spline arm

Banks Ram-Air® Rear Diff Cover | 01-19 GM | 03-18 Dodge/Ram | 14-Bolt AAM 11.5" or 11.8" Select Finish:Natural Aluminum you can never lose byWhen it comes to developing new products, Banks makes products that will actually increase vehicle performance while beating the competition. When it comes to differential covers, Banks knew they could produce a product that would blow the competition away. The Banks Ram Air Differential cover is the first of its kind. Its unique design cools 5 times better than any flat back style diff covers. The patented design forces air up and into massive heat