QA1 MOD Series Front Coilover Kit - Double Adjustable, Tapered Pigtail Spring, 400 lbs/in Rate - 1955-1957 Chevrolet Truck 1965 Improve your car's performance and

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QA1 MOD Series Front Coilover Kit - Double Adjustable, Tapered Pigtail Spring, 400 lbs/in Rate - 1955-1957 Chevrolet Truck 1965 Improve your car's performance anddon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1955 1957 Chevrolet Truck 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