Originally Posted by
gubbs3
I don't think anything currently available is that hard. Green was the second stiffest of the old springs. I still have some whites (2 steps softer than green) and they are stiffer than the current CRC .60 springs.
yokomo and schumacher has some pretty hard springs
i like the yokomo gold "crow bars" R12-21SH or the schumacher REAR SPRING RED DOT-HARD/ULTRA U7322