Swift Bump Spring - 1800 lb. PD900K 4600-6800 RPM

4600-6800 RPM

Motor Plate Bushing

Hardware / Hitch Plug / Wiring

• Aramidic socks with elastane fire retardant fiber

This system integrates into the existing design of the ST5 helmet and does not require any drilling of the shell or modifications to the internal EPS foam

Swift Bump Spring - 1800 lb. PD900K 4600-6800 RPMSwift 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