QA1 MOD Series Rear Pro Coilover Kit, 175 lbs/in Rate - 1969-1972 Pontiac Grand Prix Enclave AST Lowering Springs for the

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QA1 MOD Series Rear Pro Coilover Kit, 175 lbs/in Rate - 1969-1972 Pontiac Grand Prix Enclave AST Lowering Springs for thedon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1969 1972 Pontiac Grand Prix 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