QA1 Pro Coil Single Adjustable Front Coil-Over Kit; 950 lb./in. Spring Rate (07-18 4WD Sierra 1500)Find parts that fit my vehicle

Performance Suspension Upgrade. The QA1 Front Pro-Coil Kit S-Adj offers customizable suspension tuning for 4WD Silverado and Sierra 1500 trucks from 2007 to 2018. It allows precise adjustment of ride height and shock damping characteristics, designed for enthusiasts seeking optimal handling and control for street driving or track use, enhancing both stance and performance.

Construction and Appearance. This system includes heavy-duty shocks featuring upgraded polyurethane bushings and a 1" chromoly T-bar for durability under daily truck use and payload conditions. The coil-overs come with precisely valved double-adjustable shocks and a high 950 lb/in spring rate, combining robust performance with a functional design.

Installation. The Pro-Coil Kit offers a fully bolt-in installation requiring no drilling, ensuring a straightforward setup. Proper tools such as QA1 spanner wrenches are necessary to adjust the coil-overs for desired ride height and damping.

Warranty. Lifetime warranty coverage is available upon registration with the manufacturer, providing long-term confidence in product quality and performance.

Application. Specifically engineered to fit 2007-2018 4WD Silverado and Sierra 1500 models. This kit does not fit 1500HD models or 2007 Silverado/Sierra 1500 Classic versions.

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