I searched but cant find the answer and dont have the time to go online cause i have to go to work.
So which coilovers have the highest spring rates that are 2way height adjustable
i know there is tein flex, cusco zero 2 and 2r, jic flt-a2 and i think the apex n1 v spec. and more i think
which ones are the stiffest. Which ones are the best for the money in your opinion.

 

Well stiffest does not necessarily mean the "best", but...

Flex --> 8/7
RA --> 8/6
2R --> 7/5
FLTA2 --> 7/5
FLTA2-RS --> any/any (you can pick )