Q: Do you make custom axles?
A: Yes we do. Please see our custom axles application page for more details. 

Q: Do you make rear axles?
A: We have full floaters and are now taking orders for rear axle shafts for the Dana 44 JK - 32 & 35 spline 300M. Call us for more details.

Q: Do you have anything larger than a Dana 60?
A: We are currently are manufacturing the first run of our Rockwell "Big Bell" sized CV joint. Equipped with 1 1/8" ball bearings,
a 2" 47 spline stub and 300M internal components, this CV will be able to withstand 50" plus tires.
Manufacturing of this application should be completed this July, so stay tuned!

Q: Can your Spherical Sealing Technology CV Seals fit with axles produced by other manufactures?
A: No. Spherical Sealing Technology CV Seals are designed to conform to the unique shape of Ultimate CV Axles.

Q: Can you rebuild your CV joints?
A: Yes. Please see our rebuild kit page.

Q: What material is used to make your axles?
A: 4340 and 300M chromoly steel.

Q: Can I use RCV axles for my daily driver?
A: Yes,  Just add grease every other oil change!

Q: How often should I grease the axles and how do I grease them?
A: We recommend 4-5 pumps using a manual grease gun every 6 months or every other oil change. Our axles have an easy to use zerk fitting for simple greasing.

Q: Can RCV axle sets be configured with spindle upgrades?
A: Yes we can configure RCV axles for all popular spindle upgrades - Spyntek , Dynatrac, and more. Please contact us with you particular set-up.

Q: What is the max tire size for RCV shafts?
Dana 30 - 35"
Dana 44 - 40"
Toyota solid axle - No limit
Toyota IFS - 40"
Dana 60 - 47"
RCV Big Bell - No limit

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