Swift Bump Spring - 1600 lb. 42143 with no splicing or cutting

with no splicing or cutting

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Hydro-Boost

Tapped and Threaded to Secure Hurst Shift Sticks

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Swift Bump Spring - 1600 lb. 42143 with no splicing or cuttingSwift 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