QA1 Pro-Coil Twintube Double Adjustable Coil-Over Shock Kit - 450 lb/in Spring Rate - Front - Various GM Applications (Pair) R03J003XL - w/o Smog Injection/Injection Heads

- w/o Smog Injection/Injection Heads - w/Y-Pipe To Single Cat Converter - Shortie Style

All Hardware Included For Install

This regulator is perfect for naturally aspirated or blow-through supercharged engines

High Dielectric Strength Thermoplastic Cap With Brass terminals

built-in fuel filters

QA1 Pro-Coil Twintube Double Adjustable Coil-Over Shock Kit - 450 lb/in Spring Rate - Front - Various GM Applications (Pair) R03J003XL - w/o Smog Injection/Injection HeadsThese QA1 GM Pro Coil Systems 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. Specially designed for QA1's Pro Coil