Description Key Features Key Highlights New patented design features Ram-Air scoops for fastest cooling Provides cold high velocity air, overcoming “dead air zone” behind differential Scoops force air up and into massive heat radiation fins Engineered to break-away if snagged on an obstacle Banks cools 5X better than flat-back covers in on-road towing tests over the same road, same weather, operator and vehicle Cools 118% better than flat-backs in 200hp 60mph sustained tests Dry-mount high-pressure silicone O-ring seal. No messy RTV clean! Internal fins transfer heat through the cover into the external fins Clears spare tire heat shield, Panhard bars and other components Does not sacrifice any ground clearance Limited Lifetime Warranty Fluid Dynamics Axle tube lubricant guides directs lube to bearings w/o overfilling Cover mates flush with differential housing for smooth fluid flow Ring gear raceway controls fluid flow to the pinion and bearings Low fluid aeration means longer fluid life Technical Specs Weight: 11.7 lbs External heat radiation fin count: 23 Internal heat absorption fin count: 22 Dimensions: 13.3 in X 12.8 in X 3.5 in External heat radiation fin surface area: 694.2 in2 Internal heat absorption fin surface area: 103.1 in2 External heat radiation total surface area: 741.9 in2 Internal heat absorption total surface area: 222.2 in2 Fasteners: 12 x stainless steel 5/16 flange hex bolts Material: A380 aluminum diecast with CNC machined surfaces Internal Volume: About 3.3-3.6 Qts (Check OEM Owners Manual) Oil service Magnetic drain plug Magnetic fill port plug 20° angled fill port for easy access No need to remove cover to change fluid 1/2 in sight glass with contrast screen (visual aid) and Viton seal Banks recommends Amsoil 75W-90 Severe Gear Synthetic Gear Lube Fill level depends on model year: (About 4.0Qts Fill To OEM Level) Manuals Ram-Air Differential Cover Install Guide – Sterling 12-Bolt
