QA1 MOD Series Front Coilover Kit - Double Adjustable, Tapered Pigtail Spring, 500 lbs/in Rate - 1956-1957 Chevrolet Bel Air assist-springs The Function and Form Type

The Function and Form Type 4 Coilovers for the 2016+ Mercedes-Benz GLC-Class 4Matic (X253) are the brand's premium coilover system

2010 Lexus RX

1980 Pontiac Firebird (F-Body)

Part Number VSJ15-A1MS2 Part Name EnduraPro Shock Absorber Vehicle 2008-2010 BMW 3 Series 320i Touring RWD (E91) Chassis VR20 Engine 2000 Position Rear Damping Adjustable No Ride Height Adjustable No Upper Mounts OEM Ride Height Range Not Applicable EDFC Compatible No Notes Not tested on M Sport model

For 2001-2007 Mercedes-Benz C-Class owners who want one setup that actually works every day

QA1 MOD Series Front Coilover Kit - Double Adjustable, Tapered Pigtail Spring, 500 lbs/in Rate - 1956-1957 Chevrolet Bel Air assist-springs The Function and Form Typedon't be limited to adjustments! Completely re valve in minutes with the MOD Series Shock. Designed specifically on your 1956 1957 Chevrolet Bel Air 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