QA1 Pro-Coil Front Shock Kit 63-82 Corvette 12199901 Extra-large size covers a complete

Extra-large size covers a complete engine including most headers

Thermostatic

Fits Most GM Applications

Simply dial in your cam timing with the turn of a wrench

QA1 Pro-Coil Front Shock Kit 63-82 Corvette 12199901 Extra-large size covers a completeThese 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