Skunk2 (541-12-6500) Pro-C Coilover for Subaru BRZ/Scion FR-S Skunk2's industry-leading Pro-C Coil overs for the BRZ/FRS feature 12-way adjustable valving Thanks to threaded shock bodies, Pro-C Coil overs offer height adjustments independent of spring preload, which results in significant ride-height changes without sacrificing shock travel or ride comfort Spring Rates (Front/Rear): 6 kg/mm Skunk2's micro-polished, mono-tube design and one-piece, forged shock bodies, combined with its precision-machined, oversized shafts and stainless steel pistons, ensure that each Pro-C Coil over is both responsive and durable