QA1 MOD Series Front Coilover Kit - Double Adjustable, Tapered Flat Spring, 400 lbs/in Rate - 1971-1972 GMC Sprint Azera One-way adjustable rebound and compression

One-way adjustable rebound and compression plus full ride-height adjustment let you tailor exactly how the F10/F18 5 Series sits and responds

For Audi Q3 owners chasing points on tarmac or just wanting a coilover that doesn't fade after a spirited drive

2016 Jaguar F-Type R Convertible (X152)

2016 BMW X4 xDrive28i (F26)

QA1 MOD Series Front Coilover Kit - Double Adjustable, Tapered Flat Spring, 400 lbs/in Rate - 1971-1972 GMC Sprint Azera One-way adjustable rebound and compressiondon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1971 1972 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