QA1 MOD Series Rear Pro Coilover Kit, 150 lbs/in Rate - 1964-1971 Oldsmobile 442 P35 The old valve was too

The old valve was too fast when fully open

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QA1 MOD Series Rear Pro Coilover Kit, 150 lbs/in Rate - 1964-1971 Oldsmobile 442 P35 The old valve was toodon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1964 1971 Oldsmobile 442 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