Swift Bump Stop Spring - 2.125 in Free Length - 2.000 in OD - 600 lb/in Spring Rate - Copper Powder Coat 1005 the Sportsman Series Restraints are

the Sportsman Series Restraints are the perfect solution for budget recreational

GM Duramax 2001-16

and are bolt-on replacements for most conventional 23° heads

The Driver

Swift Bump Stop Spring - 2.125 in Free Length - 2.000 in OD - 600 lb/in Spring Rate - Copper Powder Coat 1005 the Sportsman Series Restraints areSwift 2" O. D. bump springs offer the highest measurable shock stroke in the industry and, unlike inefficient rubber and foam bump stops, they are resistant to fatigue and heat. Swift Springs manufactures springs with differing rates for a variety of circle track racing applications. With options for both dirt and asphalt tracks, Swift has a wide range of coil spring formats, including coil over, dual rate, bump springs, and more. Swift Springs