Eibach ERS Main-Metric Formula Single Coil Spring - 450 lbs/in Rate GTO Every kit is extensively tested

Every kit is extensively tested on the ZC6 chassis and refined until it balances ride quality with performance — the reason BRZ coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide

BC Racing BR Series Coilovers for the 2015-2020 Audi S3 Sedan (8V) are BC Racing's entry-level coilover and the most popular kit in their entire lineup — they offer the most accessible entry into adjustable coilover suspension without sacrificing performance

Part Number GSM90-91AS3 Part Name Street Advance Z Coilovers Vehicle 2007-2014 Mazda Demio 13C

2006 BMW 325xi

Eibach ERS Main-Metric Formula Single Coil Spring - 450 lbs/in Rate GTO Every kit is extensively testedEibach's ERS line has evolved over the years to be the world's most prominent, comprehensive and superior Race Spring System. Eibach Race Springs are all manufactured in series production, often repeated, with a strong manufacturing experience. Thus, Eibach constantly achieves the most linear spring characteristic (rate) while maintaining the lowest tolerances and the highest quality in the industry. Standard Features 36mm I. D. Formula Springs