QA1 Front Pro Coilover Kit - Single Adjustable, Large Tapered Flat End, 300 lbs/in Rate - 1970-1981 Pontiac Firebird bilstein-b1-irc-active-suspension-control-module 2006 Dodge Sprinter 3500 (W901/W905)

2006 Dodge Sprinter 3500 (W901/W905)

2012 Audi TTS Coupe (w/ magnetic ride)

2000 Toyota Celica Superstrut FWD (ZZT231)

Part Number RF150050 Part Name Coil Spring Vehicle Universal Spring Shape Linear Inner Diameter 60mm Outer Diameter 80mm Spring Length 150mm Spring Rate 286 lb/in Quantity Sold Individually

2011 Toyota RAV4 (XA30)

QA1 Front Pro Coilover Kit - Single Adjustable, Large Tapered Flat End, 300 lbs/in Rate - 1970-1981 Pontiac Firebird bilstein-b1-irc-active-suspension-control-module 2006 Dodge Sprinter 3500 (W901/W905)These QA1 GM Pro Coil Systems for the 1970 1981 Pontiac Firebird 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.