QA1 Front Pro Coilover Kit - Single Adjustable, Tapered Flat End, 450 lbs/in Rate - 1971-1972 GMC Sprint GL450 AST Lowering Springs for the

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QA1 Front Pro Coilover Kit - Single Adjustable, Tapered Flat End, 450 lbs/in Rate - 1971-1972 GMC Sprint GL450 AST Lowering Springs for theThese QA1 GM Pro Coil Systems for the 1971 1972 GMC Sprint are a great option for anyone looking for fully adjustable ride height and valving control. Choose a spring rate and adjustability that fits your driving style, adjust the valving to match and you are on your way. These shocks also utilize a fully threaded body that allows you to adjust your ride height for the perfect stance or to finely tune the weight balance for superior handling.