3S springs have been especially created to test the LP shocks meaning right back springs are 4mm paid off than past NT1 springs.
the key and back springs now take over comparable size to obtain additional in-corner steering and simplify your tuning elements selection.
The 3S springs, just like just about any XRAY springs, are on your own calculated, plumped for and matched into pairs to be sure correctly equal size and damping traits.