QA1 Rear Pro Coilover Kit - Double Adjustable, 150 lbs/in Rate - 1973-1977 Buick Regal Smart the Executive is the air

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QA1 Rear Pro Coilover Kit - Double Adjustable, 150 lbs/in Rate - 1973-1977 Buick Regal Smart the Executive is the airQA1 offers bolt in Rear Coil Over Conversion Kits for the 1973 1977 Buick Regal. These kits include specially designed USA made mounting brackets and single or double adjustable Aluminum Shocks, springs and all necessary hardware. Single Adjustable Shocks provide 18 positions of simultaneous rebound and compression adjustment while QA1's double Adjustable Shocks provide 18 positions of compression adjustment and 18 positions of rebound adjustment, for