With the shock build I had some problems fitting the pistons into the shock bodies as there were slightly too big. I sanded down the pistons with some 600 grit wet and dry by putting the shock shafts in a cordless drill, this ensured that the pistons were sanded down nice and evenly.
I was a bit surprised by this issue giving the quality of the kit, lets hope that the optional machined nylon pistons don't have this issue.
The rest of the shock build went well, the shock bodies are nicely coated and very smooth. The O rings material is the same as used in the diffs, are pretty soft and appear to be silicone. These should swell up nicely with the shock oil and give a good seal whilst also being nice and smooth.
The bladders fitted nicely in the shock caps and appeared to be quite tough, bleeding the shocks and setting rebound was nice and easy with the vent hole in the shock cap.
The shocks are also supplied with boots to cover the shafts etc, these seemed to nice and durable as well.