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Our engineers have developed a sporty yet refined setup for your 2015-2018 BMW M4 Convertible that allows you to individually adjust the compression & rebound damping independently of each other
Every kit is extensively tested on the Y20 chassis and refined until it balances ride quality with performance — the reason XC60 coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide
2005 Mercedes-Benz SLK 55 AMG
2005 BMW M3 Coupe Convertible 3
Rear Traction Arms (RTR) for the 2009-2021 Nissan 370Z (Z34) eliminate the soft mushy rubber bushings on the stock links to reduce geometry changes in the rear suspension under hard acceleration/braking and when going over bumps
QA1 Front Coilover Conversion Kit - Single Adjustable, 2-4" Drop, 400 lbs/in Rate - 1970-1976 Plymouth Duster 745Li Our engineers have developed aConvert your for the 1970 1976 Plymouth Duster from torsion bar suspension to a QA1 coil over system. Kits include a tubular K member for reduced weight and room for big tube headers. Modular motor mounts offer many engine options including Gen 3 Hemis. Systems easily bolt in without any cutting or welding. QA1 tubular Control Arms and rack and pinion steering greatly improve drivability and performance while providing a modern feel. Kits include
