Swift Bump Spring - Flat Wire - 900 lb. 39000609 the 602/604 Racing DUI is

the 602/604 Racing DUI is the best distributor available for your crate engine

VA13-AP70/LL-63A * 13"C/12V

1974-1976 Plymouth Duster

include mounting bolts and are supplied with protective coatings

Swift Bump Spring - Flat Wire - 900 lb. 39000609 the 602/604 Racing DUI isIn Order To Meet The Needs Of Individuals Whom Aggressively Utilize Bump Stops, Swift Has Developed Another Unique Bump Spring Solution. 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 superior engineering has provided the next