QA1 MOD Series Front Coilover Kit - Double Adjustable, Tapered Pigtail Spring, 500 lbs/in Rate - 1967-1969 Pontiac Firebird Electronic Components Part Number R-21-ER Part Name

Part Number R-21-ER Part Name ER Series Coilovers Vehicle 2006-2012 Lexus GS350 Drivetrain RWD Chassis Code GRS191 Damping Adjustment 2-Way (30 levels rebound/30 levels compression) Ride-Height Adjustable Yes Spring Rate - Front 14 kg/mm Spring Rate - Rear 10 kg/mm Spring Size - Front 62-220-14K Spring Size - Rear 62-220-10K 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 The ER Series is not available in Extreme-Low configuration

2005 Audi A3 2

2003 Mercedes-Benz C-Class C240 RWD (W203)

The KSport Version RR Coilover Kit is built for 2008-2013 Volvo C30 owners who want a track-ready damper without jumping to a remote reservoir setup

QA1 MOD Series Front Coilover Kit - Double Adjustable, Tapered Pigtail Spring, 500 lbs/in Rate - 1967-1969 Pontiac Firebird Electronic Components Part Number R-21-ER Part Namedon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1967 1969 Pontiac Firebird to meet the demands required by today's high performance drag race and handling pro touring cars, QA1's multi patent pending MOD Series shock will transform the way racers respond to changing track conditions and configurations. The key element to this tunability is QuickTune Technology: dry modular valve