QA1 Front Pro Coilover Kit - Single Adjustable, Tapered Pigtail End, 250 lbs/in Rate - 1964-1967 Chevrolet El Camino spl-parts-rear-lower-control-arm-inner-bushing-kit 2010 Porsche 911 Convertible (997)

2010 Porsche 911 Convertible (997) AWD

2015 Audi A4 Sedan FWD/Quattro (w/o EDC)

independent of spring preload

2008 Ford Mustang Base (S197)

QA1 Front Pro Coilover Kit - Single Adjustable, Tapered Pigtail End, 250 lbs/in Rate - 1964-1967 Chevrolet El Camino spl-parts-rear-lower-control-arm-inner-bushing-kit 2010 Porsche 911 Convertible (997)These QA1 GM Pro Coil Systems for the 1964 1967 Chevrolet El Camino 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.