Swift Bump Spring - 2000 lb. YA0825MM33 54"_x009d_ of internal clearance over

54"_x009d_ of internal clearance over factory height valve covers

12 x 36 in Sheet

Pro ASB / SB Series Shocks

Flapper Valve

These new high travel springs are silver powder coated and ground at both ends for straight

Swift Bump Spring - 2000 lb. YA0825MM33 54"_x009d_ of internal clearance overSwift 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