QA1 High Travel Coil-Over Spring - 2.500" ID - 10.000" Length - 250 lb/in Spring Rate - Black Powder Coat 93101 American Thunder systems delivers a

American Thunder systems delivers a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard

2007-2009 GMC Sierra 1500

Axle Shaft Diameter - 4

1971-1977 Pontiac Ventura

making the device suitable for use in most series around the world

QA1 High Travel Coil-Over Spring - 2.500" ID - 10.000" Length - 250 lb/in Spring Rate - Black Powder Coat 93101 American Thunder systems delivers aQA1 offers an assortment of high travel springs with a black powder coated finish. Made in the USA, these 2" I. D. high travel springs are manufactured from specially designed high tensile, chrome silicon alloy spring wire, which allows them to have fewer coils and a smaller wire diameter. As a result, these springs are lighter and have increased travel due to the larger distance between the coils. These lighter springs reduce unsprung weight and