QA1 Rear Pro Coilover Kit - Single Adjustable, 175 lbs/in Rate - 1964-1972 Oldsmobile Cutlass Mercury STEP 5: Spring Color and

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QA1 Rear Pro Coilover Kit - Single Adjustable, 175 lbs/in Rate - 1964-1972 Oldsmobile Cutlass Mercury STEP 5: Spring Color andQA1 offers bolt in Rear Coil Over Conversion Kits for the 1964 1972 Oldsmobile Cutlass 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