SPL Parts adjustable rear lower camber arms from FTSpeed.com increase stability and response by eliminating bushing deflection and offer a wide range of camber adjustment. These arms are designed for use in high performance street and race vehicles. Without factory camber adjustment, a lowered FR-S/BRZ/WRX requires an adjustable control arm to achieve your desired alignment settings to maximize tire wear and handling.
Three-position mounting holes for sway bar end links and shock mounting allows you to alter geometry to prevent end link binding and quickly adjust motion ratios and resulting spring and sway bar effectiveness. Simply put, it’s like having adjustable spring rates without a spring replacement. $629 at date of publication.