Upgraded 27 spline Dana 35 axle shafts?

[JMT]

Researching the 27 spline axle shafts to increase strength without going full Super 35. What do you guys think?

Revolutions Discovery series almost gives no information about what their shafts are made of. This always bothers me.

The Yukon are 1541H, which is more flexible than 4340, and less brittle, which many claim makes them superior. 25% stronger than stock shafts AND you can use your stock shafts as backups on the trail. The splines are also rolled, which makes them 30% stronger and better than cut.

ECGS are 4340 Chromolly shafts. Strong, but more brittle in my understanding.

Alloy USA is saying there’s are 4340 and up to 40% stronger than OE

What do you guys know? Help me out here.

 

[lowranger]

Going to be watching this thread.....I'm also in the market for upgrading my 27 spline rear axles.

 

[JMT]

Going to be watch this thread.....I'm also in the market for upgrading my 27 spline rear axles.

Well, looks like it’s me and you LR. I can’t find the warranty on those Yukon shafts. Nothing even about them on Yukon site. I wonder if they’re discontinued. Found them on groupbuy 4x4

 

[JMT]

Rough Country shafts sound the same as the Yukon. 1541H, rolled splines. And cheaper.
https://baldysjeep.com/products/843030133757

 

[lowranger]

Yukon doesn't have the the axles?? Well darn! Don't know much about the 1541H. I already have the 4.56 Yukon gears and E-locker. Was thinking the 4340 27 spline would be just the ticket to complete my rear end.

 

[JMT]

Yukon doesn't have the the axles?? Well darn! Don't know much about the 1541H. I already have the 4.56 Yukon gears and E-locker. Was thinking the 4340 27 spline would be just the ticket to complete my rear end.

Well, the Yukon axles are for sale here:

https://www.4x4groupbuy.com/store/yukon-jeep-alloy-axle-shafts-spline-dana-p-5136.html

They sound just like the Rough Country here:

https://baldysjeep.com/products/843030133757

I’ll post my research on 4340 vs 1541H a bit later

 

[lowranger]

Well, the Yukon axles are for sale here:

https://www.4x4groupbuy.com/store/yukon-jeep-alloy-axle-shafts-spline-dana-p-5136.html

They sound just like the Rough Country here:

https://baldysjeep.com/products/843030133757

I’ll post my research on 4340 vs 1541H a bit later

I'm not sure I want either one of those. I would like stronger then the 1541H. Since Yukon doesn't have the 4340, I'll wait and see when Revolution is going to come out with their 27 spline 4340.

 

[Jerry Bransford]

4340 is a better stronger choice than 1541H and no, 4340 is not brittle.

 

[dla]

Yukon has 4340 shafts as well...

https://www.ringpinion.com/b2c/ProductDetails.aspx?ProdID=4485
https://www.ringpinion.com/b2c/ProductDetails.aspx?ProdID=4486

I had them installed last October when I regeared and added the TrueTrac.

 

[lowranger]

4340 is a better stronger choice than 1541H and no, 4340 is not brittle.

Great to know about not being brittle. Thanks Jerry!

 

[Jerry Bransford]

Great to know about not being brittle. Thanks Jerry!

I'm running 4340 shafts F&R and definitely wouldn't be using it if it was more brittle.

 

[lowranger]

I'm running 4340 shafts F&R and definitely wouldn't be using it if it was more brittle.

Makes since. And I'm sure you "tested" them.

 

[StG58]

Subscribed...

 

[buck208]

What kinda budget? RCV is spendy but....
http://www.rcvperformance.com/support-configurator.aspx?searchby=Vehicle.

Another option for the 30 is below, BTW for the SE folks this is a great company to work with for parts and installations:
East Coast Gear Supply
https://eastcoastgearsupply.com/i-1...axle-kit-w-unit-bearings-dana-30-97up-tj.html.

 

[JMT]

So what’s the thinking on Alloy USA and East coast gear supply? They both claim to have 4340 in the 27 spline. I read bad things about Alloy USA

 

[buck208]

So what’s the thinking on Alloy USA and East coast gear supply? They both claim to have 4340 in the 27 spline. I read bad things about Alloy USA

No first hand knowledge with Alloy USA. ECGS is a local reputable, easy to contact with questions kinda place. They manufacture a lot of 4wd parts in house and subsequently have a team of expert installers if needed. Might be worth a call to discuss your situation. They helped answer multiple questions about my TJ and my 85 Toyota Pickup.

 

[Fouledplugs]

While I dont have any experience with any of them but Yukon, I do like Yukon.

 

[dla]

FYI... On the Yukons, you do not need to spend $275 per shaft. I paid about half that.

 

[Rob5589]

FYI... On the Yukons, you do not need to spend $275 per shaft. I paid about half that.

East Coast Gear Supply has them, 195 per side.

 

[JMT]

4340 is a better stronger choice than 1541H and no, 4340 is not brittle.

Do you know if Revolution is going to come out with a 4340 27 spline for the Dana 35? Or do you know what their current 27 spline is made of? Which of the current 27 spline axles would you recommend?