Ram-Air Differential Cover Kit (2019+Dodge/2020+Chev)

Ram-Air Differential Cover Kit (2019+Dodge/2020+Chev)

$1,125.00

2 in stock

FOR 2019-2024 RAM 6.7L AND 2020-2024 CHEVY/GMC, WITH 11.5″ OR 12″ 14-BOLT AAM REAR AXLE

Fitment Alert: AAM

  1. Does Not Fit Ram Trucks With Airbag Suspension Alone. (See Fitment Note below)

    Fitment Note

    Does Not Fit Ram Trucks With Airbag Suspension Alone

    • ✗  Airbags Alone
    • ✔ Airbags + Coils
    • ✔ Airbags + Leaf Springs
    • ✔ Leaf Springs + Shocks

    Sway Bar Spacers (#19249-2) required on Ram Trucks with OEM sway bar.

2 in stock

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: 13.72 lbs
  • External heat radiation fin count: 25
  • Internal heat absorption fin count: 22
  • Dimensions: 14.09 in X 13.74 in X 4.16 in
  • External heat radiation fin surface area: 677.64 in2
  • Internal heat absorption fin surface area: 117.26 in2
  • External heat radiation total surface area: 897.94 in2
  • Internal heat absorption total surface area: 229.70 in2
  • Fasteners: 14 x stainless steel M8-1.25 flange hex bolts
  • Material: A380 aluminum diecast with CNC machined surfaces
  • Internal Volume: About 4.4 Qts (Check OEM Owners Manual)

Oil service

  • Magnetic drain plug
  • Magnetic fill port plug
  • 20° 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 4.4Qts Fill To OEM Level)

 

FITMENT CHECK

animation comparing factory differential cover size vs Banks Ram-Air

KEY FEATURES

Image showing a smooth radiused internal surface

Radiused Ports

Radiused ports for smoother fluid flow.
Animation depicting fluid flow

Directional Fluid Guides

Axle-tube guides direct fluid to axle bearings without churn.
Animation highlighting covers O ring seal

O-Ring Seal

Integrated No Mess Viton Seal. Dry-mount silicon high-pressure O-ring seal. No messy RTV required.
Graphic highlighting covers machined surface

Precision Fit Machined Surface

CNC-machined surface ensures precise fit.
Animation showing internal fins obsorbing heat

Internal Heat Absorption Fins

Internal absorber fins offer 120 square inches of surface area to transfer heat to external radiator fins without disrupting fluid flow.
Animation showing oil drain process

Simple Fluid Change

No need to remove cover to change fluid.
Animation highlighting lubricant raceway

Lubricant Raceway

Ring gear raceway provides path for fluid flow to pinion and ring gear-bearing sets.
Graphic showcasing Ram-Air scoops

Ram-Air System w/Breakaway Scoops

Ram-Air scoop break away point prevents damage if scoop is snagged.

PURPOSE BUILT

The Banks Engineering team’s goal was to perfect fluid flow and reject BTUs from the fluid as fast as the ring and pinion puts them in. If the fluid flow is impeded in any way, it results in resistance and aeration which reduce fuel economy and creates heat, thereby degrading the fluid and decreasing the lifespan of the gearset.
Transparent animation showing differential internal design

OUTPERFORM THE COMPETITION, FOR LESS

Thanks to its superior fluid and aerodynamics, the Ram-Air® Cover out-performs stock and flat-back high-capacity covers and does so with less lubricant. Increased distance between service intervals and less lubricant means you’ll save money while extending gear life.
Animation showing Banks Ram-Air Differentials superior fluid dynamics

FLAT-BACK FAIL

Extra capacity “Flat-Back” covers have worse fluid dynamics than stock. Effectively splattering oil at a wall reducing lubrication on key components and increasing wear-tear and heat.
2D Animation showing Flat-Back covers flawed design

BANKS DOES IT RIGHT

With the proper distance between the ring gear and raceway, oil is lifted up and around the differential. The internal fluid guides directs the flow exactly to where it’s needed.
2D Animation showing Banks Ram-Air Differentials superior fluid dynamics

FLAT-BACKS DEAD AIR

The competition has no way of directing airflow, their covers leave a deadzone so temperatures rise faster and fall slower, meaning your oil works harder and components wear faster, costing you fuel economy.
2D Animation showing Flat-Back covers poor cooling ability

RAM-AIR ENGINEERING

The Banks differential cover is fundamentally different from its competition because it utilizes Ram-air scoops that direct air through channeled fins, cooling the differential and internal oil temperatures.
2D Animation showing Banks Ram-Air scoops superior cooling ability

 

Additional information

Weight 6 kg
Dimensions 45 × 43 × 13 cm

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