QA1 High Travel Coil-Over Spring - 2.500" ID - 10.000" Length - 500 lb/in Spring Rate - Black Powder Coat YA0603 1957-1958 Buick Super

1957-1958 Buick Super

3500+ stall or 5 speed

647 lb/in Spring Rate

NPT - For Use w/12 Volt Systems

25 mm Top Thread

QA1 High Travel Coil-Over Spring - 2.500" ID - 10.000" Length - 500 lb/in Spring Rate - Black Powder Coat YA0603 1957-1958 Buick SuperQA1 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