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Advance Adapters Atlas 2 Speed Transfer Case

Pricing: $2,294.93

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Advance Adapters Atlas Speed Transfer Case

The Advance Adapters Atlas gear-driven transfer cases are the ultimate in gearing and strength. With over 10,000 unIt's sold, the Atlas speedSthe solution for combining both on and off-road performance.

Don't sweat it, order in confidence knowing that after placing your order, you will be contacted by one of our technical specialists to nail down the specifics on your application before your order leaves the building. Shop online with confidence knowing you will get the correct transfer case, accessories & support to make your installation positive experience from the start.

The nameSlegendary and synonymous with rock crawling and off-road vehicle performance. Atlas Transfer Cases have won over the industry for their superior performance, bullet proof design and their ability to get you anywhere you want to go. The Atlas Transfer Case's sure to change the way your vehicle performs off-road. You will benefit greatly by understanding the Atlas characteristics and how to apply them for the ultimate in performance!

The Advance Adapters Atlas II transfer caseSthe ultimate in strength. With over 10,000 unIt's sold, the Atlas speedSthe solution for combining both on and off road performance. Price shown includes 32 spline on front & rear outputs. Please call with questions so we can help you select the right options for these unIt's . We are experts in this field and are ready to help you. Call 918-446-5535 or 1-800-446-5503.


The Advance Adapters' "Atlas II" (3.8:1 Ultra low) and (4.3:1 Extreme low) gear-driven transfer caseSthe ultimate gearing solution for combining both on and off-road performance. With an Atlas equipped 4WD, you have the opportunity to select sensible ring and pinion gear ratio for great street performance and strength. Combined with low-geared crawl ratio of your choice, you now have the ultimate combination. This allows you to compete with the most well equipped off-road vehicles and cruise comfortably down the paved roads. Through considerate analysis of other successful transfer case designs, Advance Adapters has manufactured rugged, all gear-driven transfer case. Combining the latest in CAD/CAM technology and years of in-house CNC machining capabilities, the Atlas transfer case's sure to bring you the utmost in dependability and performance.

The AtlasSavailable for both left and right hand vehicle applications with centered rear differentials. The solid one-piece case design, with structural access cover and all exterior componentsSmanufactured from 356-T6 heat-treated aluminum alloy.

The massive gears are helical cut and synchro-equipped for quiet performance and is hift on the fly" capability. These gears are supported by needle bearing elements, precision matched to strong 8620 shafts. The ruggedly designed output shafts are amply supported by large taper roller bearings. The Atlas also features unique twin stick design to deliver crisp, quiet operation. If you are serious about on and off-road performance and dependability, then demand the Advance Adapters "Atlas II" transfer case.



Material: 356-T6 Heat-Treated Aluminum Alloy

Overall length: 13.8"

Weight: 110 lbs. (dry)


: Helical Cut

Bearings: Needle & Taper Rollers

Synchronizers: Borg-Warner

Input Shaft Splines: 10, 21, 23, 27, 28, 29, 31, 32

Tail Shaft: H. D., 32 Spline, equipped with (front output) C. V. joint capability or Non-C.V.


Low Range:
3.77:1 or 4.33:1

High Range: 1:1


Oil Type: Torco

Quarts: *2.0 to 2.5

Liters: *1.9 to 2.4

* Depending on installed rotation.


Applications with NP231 will have to lengthen the rear driveshaft and shorten the front driveshaft.

Applications with Dana 300 transfer cases and Bronco Dana 20 will have to shorten the rear driveshaft and lengthen the front driveshaft.

Most applications will require cross member modifications.



Advance Adapters offers multitude of input splines in both right hand and left hand drop applications Call with your specific application requirements.




Helical-Cut Gears

Stronger and Quieter than Reduction Planetaries

Gear Driven

No Chain Stretch

Full Complement of Bearings

No Direct Shaft to Bore Contact for Strength and Efficiency

3.8:1 Low Range or 4.3:1 Extreme

Awesome Offroad Performance

Solid One Piece Case Design Utilizing 356-T6

Stronger than Two-Piece Split Case Design

Synchronized Shifting

Shift-On-The-Fly Capability

Large Rear Output Shaft

Non-Twisting and Bulletproof

O.E.M. Speedometer Gear

Easy Connection to Existing Components

Twin Stick For Enhanced Offroad Capabilities

Enabling not Only 4WD Low but Also FrontSpan style="text-decoration: underline;">or Rear WD Low Capability

Complete Unit

The AtlasSFully's sembled, Ready-to-

be-Installed-Into-Your-Vehicle Transfer Case.

ThereSNo Retrofitting or Machining Gear Sets Into Your

Old Transfer CaseSing Old Parts


Shipping Information

  • Item Requires Shipping
  • 100.0 lbs.
  • W20.0000” x H20.0000” x L20.0000”
  • Free Shipping!
  • $105.00

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