Originally Posted by Josh@STILLEN

As promised, here's the stiffness numbers and bar sizes for the STILLEN 370Z Sway Bars.

Front Bar

OEM - 1.040" OD x 0.150" wall
560 lbs. @ 1" Travel

STILLEN - 1.0625" OD x 0.250" wall
720 lbs. @ 1" Travel

28.6% Stiffer


Rear Bar

OEM - 0.945" OD x 0.130" wall
540 lbs @ 1" Travel

STILLEN 3-Way Adjustable - 1.0" OD x 0.188" wall

Softest Setting
740 lbs @ 1" Travel
37.0% Stiffer

Firmest Setting
920 lbs @ 1" Travel
70.4% Stiffer

Polyurethane bushings are also available. I'll work on creating separate part numbers with those included for those that don't want to just use the factory rubber bushings.