Swift Bump Spring - 7000 lb. Howards Cams Transmission Clutch Steel

Transmission Clutch Steel

Vulcan Cut Ring

Center-Center: 9

Calibrate your miniature valve spring tester (5314) with this calibrated test spring

Swift Bump Spring - 7000 lb. Howards Cams Transmission Clutch SteelSwift 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