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QA1 (GS401-10400A) Single Adjustable Pro Coil Kit, Aluminum

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Free shipping on orders over $29.99

$699.95

$ 99 .00 $99.00

In Stock
  • Springs have silver powder coated finish and a 400 lb. spring rate
  • Shocks also utilize a fully threaded body that allows you to adjust your ride height for the perfect stance and weight balance for superior handling
  • A clear anodized finish adds an additional layer of corrosion resistance
  • Shock body is 2" in diameter and is offered with 18 valving selections
  • Kit is specifically designed to fit applications with small block engines


The QA1 GM Pro Coil System is 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 and weight balance for superior handling. Sold as a pair.