QA1 Rear Pro Coilover Kit - Double Adjustable, 130 lbs/in Rate - 1965-1967 Buick Gran Sport XC40 AST Lowering Springs for the

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QA1 Rear Pro Coilover Kit - Double Adjustable, 130 lbs/in Rate - 1965-1967 Buick Gran Sport XC40 AST Lowering Springs for theQA1 offers bolt in Rear Coil Over Conversion Kits for the 1965 1967 Buick Gran Sport 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