Ram-Air® Differential Cover Kit Patented design cools 5X better than flat-backs

FOR 2019+ RAM AND 2020+ CHEVY/GMC, WITH 11.5" OR 12" 14-BOLT AAM REAR AXLE Fitment Alert: AAM Does Not Fit Ram Trucks With Airbag Suspension Alone. See Fitment Note Sway Bar Spacers (#19249-2) required on Ram Trucks with OEM sway bar. Banks Ram-Air® Differential Cover is the best one on the market without question. Thanks to its superior fluid flow and aerodynamics, the Ram-Air® Cover out-cools stock and flat-back high-capacity covers and does so with less lubricant. Extend your gear life, use less fluid, and save money between fluid changes with Banks. Fitment Note Sway Bar Spacers (#19249-2) required on Ram Trucks with OEM sway bar. Does Not Fit Ram Trucks With Airbag Suspension Alone ✗  Airbags Alone ✔ Airbags + Coils ✔ Airbags + Leaf Springs ✔ Leaf Springs + Shocks  When it comes to product development, we only make products that increase performance and beat the competition. So when we tested the popular Diff Covers on the market, we were shocked to find out that they actua