QA1 Rear Pro Coilover Kit - Single Adjustable, 150 lbs/in Rate - 1964-1971 Oldsmobile 442 599 GTB Add to that engine bat

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QA1 Rear Pro Coilover Kit - Single Adjustable, 150 lbs/in Rate - 1964-1971 Oldsmobile 442 599 GTB Add to that engine batQA1 offers bolt in Rear Coil Over Conversion Kits for the 1964 1971 Oldsmobile 442 vehicles. These kits include specially designed USA made mounting brackets and single or double adjustable Aluminum Shocks, High Travel 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