2020-2022 GM 6.6L Duramax 11.5 Inch /12 Inch -14 Heavy-Duty Cast Aluminum Rear Differential Cover Brushed BILSTEIN SHOCKS Liquid filled gauge for setting

Liquid filled gauge for setting up back pressure regulation on butterfly style exhaust brakes to ensure proper operation and possible leaks in your exhaust system that would reduce braking efficiency

For Charger HEMI owners ready to break past factory restrictions

as well as improved engine efficiency

Rough Country's winch ring doesn't store kinetic energy compared to a standard snatch block making it a much more viable option when you need it most

straightforward FASS installation-and nothing you don't

2020-2022 GM 6.6L Duramax 11.5 Inch /12 Inch -14 Heavy-Duty Cast Aluminum Rear Differential Cover Brushed BILSTEIN SHOCKS Liquid filled gauge for settingSpecially engineered to minimize friction and maximize lubrication. Keep your GM rear differential running cool and clean with an upgraded cover from PPE. Made from high quality cast A356. 0 T6 aluminum for strength and optimum heat dissipation. Increased fluid capacity provides increased thermal stamina. This new cover is equipped with specially designed internal heat sinks and external cooling fins which increase the pan's surface area helping