Eibach ERS Main-Metric Formula Single Coil Spring - 400 lbs/in Rate bilstein-b16-pss10-suspension-kit BC Racing ER Series Coilovers

BC Racing ER Series Coilovers for the 2009-2013 Infiniti G37 Sedan (V36) put race-grade adjustability in reach of the serious track-day driver

2016 BMW 3 Series AWD (F30/F34)

2011 Audi Q3 (8U)

2001 Toyota Progres NC250 RWD (JCG10)

Eibach ERS Main-Metric Formula Single Coil Spring - 400 lbs/in Rate bilstein-b16-pss10-suspension-kit BC Racing ER Series CoiloversEibach'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