I want to install Timbrens on my 2013 Supercrew 4x4 to eliminate sag from the leveling kit when I tow. I installed a 1.5 inch auto spring kit. Is there anything different about putting Timbrens on with a leveling kit on it since the rear sits a little lower now?

 

The space between the factory bump stop and the axle should be the same as it was before the leveling kit. You may want to add the included shims to get the bottom of the rubber springs closer to the axle. There are plenty of others that have Timbrens and leveling kits too. I had Timbrens on my last F-150 and loved them. No maintenance and no air pressure to worry about. I had no sag towing my camper with a hitch weight of 1000 pounds (with w/d hitch of course).

 

Timbrens are awesome!
But as he said leave the shim in since yours is not stock. The rear will sag a bit before the timbrens come into play since you raised the front, but not a lot.
I have tried air bags, and overload springs before. They are okay, but i found that for me timbrens are way better. Ordered mine already for this truck.

 

Thanks just ordered them!

 

I just ordered mine about 20 minutes ago. A few other things to order today as well.

 

another question, can these be install along with taller blocks? im going to level my truck here soon and will probably put a 2" block in the back. can these be installed with a taller block and still be effective?