QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 350 lbs/in Rate - 1973-1977 GMC Sprint 840Ci 2018 BMW X6 50i xDrive

2018 BMW X6 50i xDrive (F16)

2006 BMW M5 (E60 Type M560)

2013 Volvo C70 Cabrio (M)

2008 Lotus Elise (S2)

1999 Nissan Skyline GTS-T (R34)

QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 350 lbs/in Rate - 1973-1977 GMC Sprint 840Ci 2018 BMW X6 50i xDrivedon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1973 1977 GMC Sprint to meet the demands required by today's high performance drag race and handling pro touring cars, QA1's multi patent pending MOD Series shock will transform the way racers respond to changing track conditions and configurations. The key element to this tunability is QuickTune Technology: dry modular valve packs