Every kit is extensively tested on the D471 chassis and refined until it balances ride quality with performance — the reason Flex coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide
2010 BMW 5 Series Kombi (E61)
2011 Mercedes-Benz E-Class Sedan RWD Airmatic (W212)
2019 Mercedes-Benz AMG GT
bolt-on fitment — for the 2002-2007 Suzuki Aerio at a price that undercuts the top-tier Pro Plus and Executive kits
QA1 Front Pro Coilover Kit - Single Adjustable, Large Tapered Flat End, 650 lbs/in Rate - 1963-1964 Mercury Marauder eibach-10mm-wheel-spacer-silver-5x120mm-bolt-pattern Every kit is extensively testedThese QA1 GM Pro Coil Systems are available for the 1963 1964 Mercury Marauder vehicles, including Full Size Chevy, Buick, Oldsmobile and Pontiac models, and even Ford full size vehicles and Galaxies. They are a great option for anyone looking for fully adjustable ride height and valving control. Choose a spring rate and adjustability that fits your driving style, adjust the valving to match and you are on your way. These shocks also utilize a fully