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  Store > RCV Axle Shafts >

Dana 44 RCV Ultimate 300M Axles | Jeep JK Rubicon
RCV Axle Shafts
 
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List Price: $1,849.95
Your Price: $1,749.95



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Status: Usually Ships in 2 to 4 Weeks

Part Number: RCV-CVJ44-JK-300M

RCV Axle Options:

Add Nickel Plating [+$300.00]
- Custom plating adds 2-3 weeks to production.

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**Sales Tax Notice: - RCV Axles are taxable when shipping to most states. If sales tax is not calculated correctly by our website, we will adjust or remove the tax once the order is received.

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Description
 

Model: Vehicle / Application:
CVJ44-JK-300M Jeep JK/JKU Rubicon Front

Fits Jeep JK/JKU Rubicon Dana 44 front axle with
factory 30 spline differential and 32 spline hubs.

300M series axles are for off-road racing use ONLY.

Inner Splines: 30
Outer Splines: 32
Left Side Length: 19.76"
Right Side Length: 33.44"
Stub Shaft Length: 6.25"
CV Boots Included: Yes

Shaft lengths referenced are OEM shaft lengths
measured from center of U-joint to end of splined shaft.

2007 - 2017 Jeep JK Rubicon Front
2007 - 2017 Jeep JKU Rubicon Front


RCV Ultimate 300M CV Axle Shafts are full race series axles made from 300M alloy that is even stronger than the 4340 chromoly used in RCV's Ultimate CV series shafts. They are rated for oversize tires, super high horsepower engines, and extremely aggressive driving, all of which are still covered by RCV's unprecedented limited lifetime warranty. This kit includes right and left side CV axle shafts, SST seals and installation tool (for exposed knuckle axles), installation instructions, synthetic moly grease, and installation hardware. Black oxide coating is standard with nickel plating available for extra corrosion resistance at an additional cost. RCV axles are highly recommended by Filthy Motorsports and almost all of our Ultra4 racers, desert racers, and rock bouncers run them.


Maximum Strength At All Angles
RCV 300M series CV axle shafts feature 300M housings, and axle shafts with 4340 chromoly bearings cages, inner races that are even stronger than standard RCV 4340 shafts which have been proven in tests to be twice as strong as OEM axles. Even more impressive is that they maintain their strength all the way up to 45 degrees where u-joints are at their weakest point.

RCV Axle Shafts

To learn more about U-Joints and CV shafts, see U-Joint Sizes and Strength Comparisons


Constant Output Shaft Speed
The weak link in u-joints axle shafts is that they bind when the angle between the input and output shafts increases which causes the speed of the output shaft to change multiple times during every rotation. This weakness is further exaggerated when you add large tires and more power. RCV has solved these problems with a Rzeppa style CV joint that spreads the torque load over six bearings in a housing that keeps both input and output shafts at equal angles for constant shaft speeds up to an astonishing 45 degrees.

RCV Axle Shafts

To learn more about U-Joints and CV shafts, see U-Joint Sizes and Strength Comparisons


Built To Perform, Built to Last
RCV 300M CV Axles are engineered to be that last axle shafts you will ever need. In addition to their constant velocity design that spreads torque over 6 internal bearings, RCV axles feature 300M shafts and housings with 4340 chromoly bearing cages and inner races. They are fully black zinc coated to prevent corrosion and the internals are REM polished for decreased wear and smoother movement. An external Zerk fitting makes for easy lubrication and the design itself requires less frequent maintenance.

RCV Axle Shafts


Limited Lifetime Warranty - No Questions Asked
RCV is so confident in the quality and reliability of their Ultimate CV Axles that they back them all with a “No Questions Asked” lifetime warranty. If you break it, they will replace it!

Features
  • No Questions Asked Limited Lifetime Warranty
  • 300M Shafts and Housings with 4340 Internals
  • External Zerk Fitting for Easy Lubrication
  • Up to 45 Degree Steering Angle
  • REM Polished Internals for Reduced Wear
  • Black Oxide Coating for Corrosion Resistance
  • Rebuild Kits Available
  • Made in USA


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