Swift Bump Spring - 2000 lb. 15-NEC-CAY-A Dart block parts kits include

Dart block parts kits include the same quality components we use in our performance engine blocks

53 in Long x 0

Drag Race / Extreme Performance

These cyilnder heads were targeted at larger cubic inch engines

1975-1981 Chevrolet LUV

Swift Bump Spring - 2000 lb. 15-NEC-CAY-A Dart block parts kits includeSwift 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