That's only true of the springs that come from one of the 2 companies they source their springs from (they happen to be the Accurate springs too). About half of all the springs they sell do Not have the rates on the end, and through a different rate testing procedure, they're also a rate Lower than what Race Tech sells them as (yes, this is fact ~ I've had to deal with more than a few of these back when I was rebuilding a dozen forks a day as my job).