QA1 Front Pro Coilover Kit - Single Adjustable, Large Tapered Flat End, 550 lbs/in Rate - 1973-1977 Buick Century Magentis A wider piston shaft than

A wider piston shaft than conventional uprights means more consistent damping on long sessions and more fatigue life before rebuild

The stock Eccentric Bolts provided on your 2006 BMW 325xi (E90/E91) for small camber adjustments tend to slip under high cornering loads

8T (A4) have all the features of the Street Performance Coilovers

and damping curves tuned for grip — so your S40 stays flat through transitions

Spring Rate 88 lbs/in Block Height 3

QA1 Front Pro Coilover Kit - Single Adjustable, Large Tapered Flat End, 550 lbs/in Rate - 1973-1977 Buick Century Magentis A wider piston shaft thanThese QA1 GM Pro Coil Systems for the 1973 1977 Buick Century 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.