Swift Bump Spring - 500 lb. 931014 Chevrolet Biscayne Base 396 1958

Chevrolet Biscayne Base 396 1958 to 1964

Hedman Hedders Engine Swap Headers

165" Gasket BoreSince 1989

w/Steam Holes

Swift Bump Spring - 500 lb. 931014 Chevrolet Biscayne Base 396 1958Swift 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