BC Racing ER Series Coilovers for 2004-2011 Mazda RX-8 RWD (SE3P)BC Racing ER Series Coilovers for the 2004 2011 Mazda RX 8 (SE3P) put race grade adjustability in reach of the serious track day driver, with independent compression and rebound tuning at every corner. Every kit is extensively tested on the RX 8 SE3P chassis and refined until it balances ride quality with performance the reason RX 8 coilovers from BC Racing are the best selling adjustable kits in their segment worldwide. ER Series kits run a linear