Swift Bump Spring - 1000 lb. Mounting Solutions While it's the perfect coil

While it's the perfect coil to go with the PerTronix Ignitor breakerless ignition

Trans Ratio

High Pressure Capabilities

and excellent wear protection

Formulated To Control Unwanted Motion

Swift Bump Spring - 1000 lb. Mounting Solutions While it's the perfect coilSwift 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