Factory Birfields or Longfield chromoly set? (2 Viewers)

[OpossumWrangler]

I'm looking for some advise from first hand experience. I am about to do a knuckle rebuild on my 1997 that I just bought. The birfields are also clicking on both sides at full steer so I'm sure they need replaced while I'm in there. My question is, should I just buy a factory set or go ahead and get the Longfield super set on trail gear? I do want to lift the truck eventually and Ill probably be running 35s (possibly 37). I just don't know if it justifies the cost, my little xj has been running 35x12.50s on factory axles for 7 years now. I don't have the experience with these trucks to know if that would be overkill or not. The set is on sale right now, so that is a factor. I'm also pretty sure I read somewhere that the chromoly shafts and birfields wear out the axel seal faster?

Here is the kit in question: Longfield FJ80 30 Spline Birfield/Axle Super Set, Gun Drilled - https://trail-gear.com/longfield-fj80-30-spline-birfield-axle-super-set-gun-drilled.html

 

[smritte]

@JD Films
Went through my parts pile this morning. They weren't there. Sorry. I don't remember getting rid of them.

 

[JD Films]

@JD Films
Went through my parts pile this morning. They weren't there. Sorry. I don't remember getting rid of them.

Thanks for looking.

 

[Broski]

Thanks for looking.

Let look around for the RCVs I replaced last year. If I can find one it's yours for the shipping

 

[JD Films]

They were fullsize before they were bought by Trail Gear. Send them back and buy RCV

I just got a spec sheet from RCV on their birfields and they are also 4" diameter, not 5" like stock birfields. He said the strength is from the materials used and you would break an inner shaft before the CV bell. So now I'm curious how much of a difference there is in the Longfields and RCV's birfields. Both are made with 4340 and 4".

 

[Broski]

Let look around for the RCVs I replaced last year. If I can find one it's yours for the shipping

There gone