BC Racing HM Series Coilovers for 2012-2016 Scion FR-S AWD (ZN6)BC Racing HM Series Coilovers for the 2012 2016 Scion FR S (ZN6) combine the inverted damper durability of the RM Series with the independent compression and rebound tuning of the ER Series BC's pick for track day McPherson strut builds. Every kit is extensively tested on the FR S ZN6 chassis and refined until it balances ride quality with performance the reason FR S coilovers from BC Racing are the best selling adjustable kits in their segment