QA1 High Travel Coil-Over Spring - 2.500" ID - 12.000" Length - 150 lb/in Spring Rate - Black Powder Coat HSXSM11PA Specially designed for Moroso's DuraBillet

Specially designed for Moroso's DuraBillet Distributors (also fits MSD Distributors)

provide maximum downforce

Piston Vise

Black Rubberized Fat Grip

Fits Chevy Small Block 1955-87 (except Corvette)

QA1 High Travel Coil-Over Spring - 2.500" ID - 12.000" Length - 150 lb/in Spring Rate - Black Powder Coat HSXSM11PA Specially designed for Moroso's DuraBilletQA1 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