QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 350 lbs/in Rate - 1982-1990 GMC S15 ksport-gt-lowering-springs The 5200 Series for the

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QA1 MOD Series Front Coilover Kit - Double Adjustable, Large Tapered Flat Spring, 350 lbs/in Rate - 1982-1990 GMC S15 ksport-gt-lowering-springs The 5200 Series for thedon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1982 1990 GMC S15 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