QA1 Pro-Coil Twintube Double Adjustable Coil-Over Shock Kit - 350 lb/in Spring Rate - Front - Various GM Applications (Pair) AN O-Ring to SAE Fittings It features an O-ring seal

It features an O-ring seal to eliminate the failure prone OEM paper gasket and an increase in oil flow capacity compared to the OEM plate

Elite RPM Switch

Holley Style Carburetors

Positively locates rear axle housing for super straight launches without binding

QA1 Pro-Coil Twintube Double Adjustable Coil-Over Shock Kit - 350 lb/in Spring Rate - Front - Various GM Applications (Pair) AN O-Ring to SAE Fittings It features an O-ring sealThese 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