In addition to things like taller coils, longer shocks and adjustable control arms and track bars, a new 1310 or 1350 double cardin U-Joint style front drive shaft is something that you really should have in your list of needed parts if you plan on lifting your Jeep JK Wrangler 3″ or more and you have an automatic transmission. While the factory front drive shaft isn’t all that bad, its diameter is very wide and at 3″ of lift or more, it will get hung up on the automatic transmission skid plate (limiting your droop) and its spline shaft boot will catch on the lip of your transmission sump pan causing it to tear.

In addition to having a narrower diameter shaft, a good double cardin U-joint style drive shaft like the kind Coast makes will be stronger and a whole lot cheaper to service. In fact, 1310 or 1350 U-joints can be found just about anywhere at places like Napa and for dirt cheap. As far as what type of shaft you should get goes, I would have to say that unless you plan on running 37″ tires or bigger, a 1310 really is all that you need.

The write-up below will show you just how easy it is to install a Coast 1310 front drive shaft, complete with replacement yokes on to your Jeep JK Wrangler.

Coast Front 1310 Drive Shaft Installation Write-Up

 

Good timing...I was just looking at these!

 

was just wondering about how do to this--

is there any finesse or measuring involved?

shouid i swap my front or rear first? or do i need to do both?
thanks
steve