2 inch lift rear shock help

Hi! Have a 2inch lift (block) and I'm changing my rear shocks. I measured the extended and collapsed length from the eye to the bottom of the threads. I get 27 inches and 21 inches.
I cant find any shocks that fit those specs!! The ones I'm swaping out are fox bds 2.0s..
I was looking at some bilsteins but they only extend to 22 inches for the 2inch lift options..

Why are the 2inch lift options so far off from my measurements?

Any suggestions or something I'm missing?

Big thanks!

 

You don’t need anything other than stock shock specs unless you are trying to increase your travel. All the block is doing is changing the starting position within the shock’s stroke.

 

Thanks for the reply gudujarlson. I understand what you are saying but when i jack the back of my truck off the ground to mesure the extended length I need I get 27 inches. A stock shock has 21 inches extended length.. id imagine I would destroy the shock if I hit something that would force it to extend over that length right? Even if the travel is "stock" the extended length still needs to be 27 inches.. im still confused

 

As I understand it, OEM and OEM replacement shocks are the limiting factor of suspension down travel (both front and rear) and you do not need to worry about damaging them. Up travel is different. The bump stop is what limits it and you don't want to your shock getting in the way because it can fail.

Note that you can install longer shocks and obtain greater down travel. @AccuTune Offroad sells some modified Tundra shocks with this feature.

 

Just get 1-2" rear extended shocks, its all you need.

Full travel is neat on paper, but its rare to really need that, and even factory shocks "limit' factory springs travel.

The bilstien 5160 baby resi's are 2" longer than stock and are a great choice cost wise. Usually a little softer than the Fox 2.0s plus you get to have a resi mounted!

 

Trying to match your existing shocks is one thing, measuring for proper length shocks is another. Current shocks may still be too short. We have some rear options that may work, depending on some measurements if you are interested. Below is how Fox and King measure their OEM stem top shocks. Not 100% sure how Bilstein measures theirs.

 

Thank you! Going with the bilsteins

 

That's interesting that King and Fox use different methods for measuring... I thought it was standard for the measurement to be taken from the base of the stem (base being the shoulder where the lower bushing washer rests against).

 

Yep, and within the last 6 months Fox changed how they measure OEM fit coilovers. So depending on the shock manufacturer, it's important to know how these measurements are being taken.

 

You’ll be very happy with the aforementioned 5160s.