Insane Hydraulics
Bold and audacious blog about fluid power
Getting a good aftermarket seal-kit is a harder task than one might figure. Even original seal-kits may miss o'rings and seals. Here's a typical example of a cheap aftermarket seal-kit - it looks like crap, and although the o'rings are of an acceptable quality - half of them are of the wrong size and the other half is missing, which makes this seal-kit something one can charge for, but, sadly, can't use.
This is how a good sealkit should look like.