QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 500 lbs/in Rate - 1991-2004 GMC Sonoma 1600ti Every kit is extensively tested

Every kit is extensively tested on the B8 chassis and refined until it balances ride quality with performance — the reason A5 Avant Wagon coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide

2001 Mazda Miata MX-5

1992 Mercury Capri XR2 / XR2Ti Convertible (NA)

2012 BMW 3 Series 316i/318i/320i/328i/316D/318D/320D Sedan (F30)

QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 500 lbs/in Rate - 1991-2004 GMC Sonoma 1600ti Every kit is extensively testeddon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1991 2004 GMC Sonoma 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