QA1 Front Pro Coilover Kit - Single Adjustable, Large Tapered Flat End, 350 lbs/in Rate - 1970-1981 Pontiac Firebird Y and with SPS12-R16110-30 to set

and with SPS12-R16110-30 to set to positive direction (both sold separately)

18 kg/mm rear springs tuned to promote rearward weight transfer on launch

Bilstein B8 Performance Plus Dampers for the 1993-1999 Volkswagen Golf A3 are a performance upgrade to OE Dampers designed to be paired with aftermarket lowering springs

Model Years: 2020+

Part Number J-24-BR Part Name BR Series Coilovers Vehicle 2003-2012 Mercedes-Benz SL600 Drivetrain RWD Chassis Code R230 Damping Adjustment 1-Way (30 levels) Ride-Height Adjustable Yes Spring Rate - Front 18 kg/mm Spring Rate - Rear 16 kg/mm Spring Size - Front 62-220-18K Spring Size - Rear 62-220-16K Swift Springs - Front 62-228-X Swift Springs - Rear 62-228-X Camber Plates - Front Not Applicable Camber Plates - Rear Not Applicable Suspension Design - Front True Coilover Suspension Design - Rear True Coilover Notes RWD

QA1 Front Pro Coilover Kit - Single Adjustable, Large Tapered Flat End, 350 lbs/in Rate - 1970-1981 Pontiac Firebird Y and with SPS12-R16110-30 to setThese 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.