Introducing the Banks Power Sterling 10.25 & 10.5 Rear Ram-Air Differential Cover. This tough and durable differential cover is constructed from die-cast A380 aluminum and features internal & external fins, magnetic fill & drain plug, internal heat absorption fins, and T304 stainless steel hardware. The Ram-Air system with breakaway scoop provides optimal cooling for your differential, while the sight-glass with contrast screen allows you to check fluid levels at a glance. Available in three finishes (natural, black-ops, and black milled), this differential cover will give your vehicle an aggressive look that will turn heads on the street or the trail.