QA1 Pro Coil System Coil Over Conversion Kit - Front - 450 lb/in Springs - Hardware Included 51115222 Manufactured from lightweight

Manufactured from lightweight

Brake Pressure Gauge

325 lph at 40 psi

Crank Flange

QA1 Pro Coil System Coil Over Conversion Kit - Front - 450 lb/in Springs - Hardware Included 51115222 Manufactured from lightweightThese QA1 GM Pro Coil Systems are available for 1958 1970 Impalas and Full Size GM vehicles, including Full Size Chevy, Buick, Oldsmobile and Pontiac models, and 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