QA1 High Travel Coil-Over Spring - 2.500" ID - 10.000" Length - 250 lb/in Spring Rate - Black Powder Coat 93101 making the device suitable for

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

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

Choose from a variety of colors

High-Power Coil

Boom Mat's Installation Roller ensures a strong positive adhesion of Boom Mat thermal acoustic control products while smoothing out any air bubbles

QA1 High Travel Coil-Over Spring - 2.500" ID - 10.000" Length - 250 lb/in Spring Rate - Black Powder Coat 93101 making the device suitable forQA1 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