QA1 Front Pro Coilover Kit - Double Adjustable, Large Tapered Flat End, 500 lbs/in Rate - 1978-1987 Pontiac Bonneville tein-street-advance-z-coilovers 2013 BMW 1 Series 4

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Part Number FA500-E61 Part Name 500 Series Coilovers Vehicle 2004-2010 BMW 5 Series Touring Chassis Code E61 Spring Rate - Front 6 Kg/mm Spring Rate - Rear Not Applicable Custom Spring Rates Available

QA1 Front Pro Coilover Kit - Double Adjustable, Large Tapered Flat End, 500 lbs/in Rate - 1978-1987 Pontiac Bonneville tein-street-advance-z-coilovers 2013 BMW 1 Series 4These QA1 GM Pro Coil Systems for the 1978 1987 Pontiac Bonneville 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.