Swift Bump Spring - 1600 lb. 42143 Insist on the brands you

Insist on the brands you trust

Made out of billet aluminum with a clear anodized finish

GM 1997-2013

Performer RPM 2-R Intake Manifold is designed for street 396-502 c

Swift Bump Spring - 1600 lb. 42143 Insist on the brands youSwift 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