QA1 MOD Series Front Coilover Kit - Double Adjustable, Tapered Pigtail Spring, 400 lbs/in Rate - 1967-1969 Pontiac Firebird eibach-adjustable-end-links These G37x coilovers arrive tuned

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QA1 MOD Series Front Coilover Kit - Double Adjustable, Tapered Pigtail Spring, 400 lbs/in Rate - 1967-1969 Pontiac Firebird eibach-adjustable-end-links These G37x coilovers arrive tuneddon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1967 1969 Pontiac Firebird 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