There may be a lead time on some parts as stock and number of builds is always fluctuating.
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Doubler
Why Dual Transfer Cases?
As our vehicles become more and more capable rigs, and after developing areas such as suspension, lockers and tires, we find our vehicles lacking in one area: Control and Gearing.
The lower your gears are, the more control you will have over your vehicle. With proper low gearing you will be able to "crawl" your vehicle over obstacles that you previously viewed as impossible!
This is where the Dual Transfer Case kit comes into play. Adapter kit allows you to mate the reduction box portion of a NP203 transfer case to the stout NP205. The addition of the NP203 range box gives the option to run either transfer case independently in high or low (1:1, 2:1) or to run both in low (2:1 x 2:1) and DOUBLE your reduction for an astounding 4:1 low! Our kit mates factory NP203 and NP205 transfer cases, giving a wide array of vehicle application compatibility, not to mention the all-gear combination is capable of handling big block power!
What Does The Kit Include?
- NP203 Adapter Plate
- Center Clocking Ring
- NP205 Adapter
- 8620 Billet Intermediate Shaft
- PTO Cover with fill Plug
- Mounting and Clocking Hardware
- CR Seal & O-Rings
- Fiber Gaskets
What Else Do I Need?
On top of our kit you will need:
- 1 NP203 to mate to your transmission
- 1 NP205 with a 10, 27, 31 or short 32 spline input shaft
- A 2nd cross-member or custom cross-member
- A means to shift each transfer case from high to low range
- Modify your driveshafts to fit new driveline length
Are There Different Versions Of Each Transfer Case?
What are the advantages?
Versatility
Blind Tapped Clocking Holes & O-Ring Seals:
The bolts that hold our adapter together are what is called "blind tapped" meaning the holes do not go all the way through the adapter plates, and thus no leak points. The center index ring of our adapter kit is sealed on both surfaces with a large O-ring, also eliminating any leak points.
Clocking Bolts Externally Mounted:
The bolts for Center Index ring are mounted outboard, and can be easily reached with a wrench. You do not need to completely disassemble the adapter to change clocking locations.
Precision Manufacturing:
The Adapters are 100% CNC machined out of 6061-T6 Aluminum. They are NOT welded together, and as such are always perfectly parallel. The bolt patterns on all of our adapters are extremely accurate, and as such we run tight tolerances on all our parts.
We now include a billet PTO cover with fill plug for your NP203 Range Box. These covers are anodized for lasting looks.
Completeness:
We offer everything you need, and we don't cut corners. You'll find everything you need right down to cut gaskets, breather fittings and all the hardware necessary for your installation.
Mounting:
The NP203 adapter plates are drilled and tapped to 1/2"NC at the base for easy mounting, the spacing matches a factory NP203 foot orientation. This allows the use of a 2nd crossmember to properly support the combo.
Billet Main shaft:
The Kit includes an 8620 Billet main shaft to connect your NP203 to the NP205. These shafts are heat treated 8620 gear steel; they are super strong and super tough and made at our shop in Canada.
We do NOT re-spline factory shafts. With the kit you can drop the clutch in confidence!
**Our Billet Main shafts are available separately for $449.00 + S&H**
Tapped Adapter Holes:
The adapter is tapped on the NP203 adaptor plate. This means you do NOT need one wrench on the bolt head and one on the nut. You simply tighten the bolts through the NP203 range box directly into the adapter. Its all in the details.
Finally, And Certainly Not Least, CLOCKABILITY
The Dual Transfer case is the most versatile adapter for sale today, nobody even comes close to offering the options that our adapter kit does.
First things first - What on earth is "clocking"?
Clocking is the ability to mount (usually a transfer case in the 4x4 world) at different rotated position compared to stock. Rotating a transfer case up or down from the factory location has its advantages as well as downsides:
Clocking your transfer case up is often done as it easily increases ground clearance under your transfer case. However it will also create steeper driveline angles on your front driveshaft. Steeper driveline angles require expensive driveshafts to run at the required angle.
Clocking your transfer case down is sometimes necessary on vehicles with a large amount of lift. This is done to flatten driveline angles; however this is at the cost of ground clearance under your transfer case.
Although some competitors can offer their adapters in a clocked position (usually at an upcharge!) or allow you to weld an adapter into a fixed position, none offer a truly versatile clockable and re-clockable adapter. Our adapter allows our customers to mount their transfer cases in various positions to find what works best for them. At any point you can disassemble the adapter, change the rotation, and try the new position in your rig.
