Why you need it. Banks Ram-Air® differential cover extends lubrication life by keeping your fluid cooler, thanks to its superior fluid and aerodynamics. The system cools 5X better than high-capacity aftermarket covers in on-road towing tests. It cools 118% better than competitors in 200 hp 60mph sustained tests. -Patented Forced-Air Cooling Design: Ram-Air scoops force air through heat radiation fins, FlowThru Fins® transfer heat through the cover to the exterior, High velocity air overcomes "dear air zone" behind differential -Perfect Fluid Dynamics: Reduces fluid aeration, Ring gear raceway guides fluid to ring & pinion interface, Fluid guided to axle tubes and bearings Easier Maintenance: View fluid level through sight glass, Angled fill port, Magnetic drain plug, Retains stock fluid quantity, Increased distance between service intervals -Thoughtfully Engineered: Temp sensor port, O-ring seal, no messy RTV, Maintains stock ground clearance, Ram-Air scoops break away if hit Why It's Better. 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 actually hurt performance. This lead to the development of something so new and incredible that our performance design has a United States Patent. Look, when we set out to build a product for your vehicle, we only engineer the best. What else would you expect from a company with a winning legacy that spans decades. We are here to win, and we just did (AGAIN) in a huge way. The All-New Patented Banks Ram-Air Differential Cover WIPES OUT THE COMPETITION! 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 actually hurt performance. This lead to the development of something so New and Incredible that our performance design has a United States Patent. Look, when we set out to build a product for your vehicle, we only engineer the best. What else would you expect from a company with a winning legacy that spans decades.. Ram-Air Differential Cover Kit, Black Ops, w/Hardware for 2001-2019 Chevy/GMC, 2003-2018 Ram and Ram 6.4L only, with AAM 11.5" or 11.8" 14 Bolt Rear Axle, 2019-2024 RAM 6.4L See Fitment Note. Ram-Air® Differential Cover Kit; Rear; Black Ops; w/Hardware; Aluminum Diecast w/CNC Machined Surfaces;. Sway Bar Spacers (#19249-2) required on Ram Trucks with OEM sway bar. US Patent # 10,443,705 B1. Banks Power 01-19 GM / RAM Black Ops Differential Cover Kit 11.5/11.8-14 Bolt. Patented design cools 5X better than flat-backs. Ram-Air® Differential Cover Kit. Ram-Air Differential Cover Kit. Differential Cover and Oil Pan. Limited Lifetime Warranty. Differential Cover. DiffrlCover

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