QA1 MOD Series Rear Pro Coilover Kit, 175 lbs/in Rate - 1971-1972 GMC Sprint 348 GTS 2013 Subaru WRX STI (GE/GH)

2013 Subaru WRX STI (GE/GH)

2011 BMW 328i Sedan

2017 Infiniti Q60 Red Sport 400 RWD

shot-peened

QA1 MOD Series Rear Pro Coilover Kit, 175 lbs/in Rate - 1971-1972 GMC Sprint 348 GTS 2013 Subaru WRX STI (GE/GH)don'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