Swift Bump Spring - 3000 lb. 35690 13-3/16 x 12-5/8 in

13-3/16 x 12-5/8 in

Our customers asked for it and we delivered

for a completely stealth installation

Port and Identification Kit

Complete with manifold end rail seals and distributor gasket

Swift Bump Spring - 3000 lb. 35690 13-3/16 x 12-5/8 inSwift 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