Swift Bump Spring - Flat Wire - 400-800lb Progressive 1421 Suggested Applications: Valve cover bolts

Suggested Applications: Valve cover bolts

Digital Radio

Asphalt Bellhousing

Whether on the street or on a race track

Swift Bump Spring - Flat Wire - 400-800lb Progressive 1421 Suggested Applications: Valve cover boltsOur newly developed flat wire bump spring features zero side shearing upon full compression, and is optimized for an even greater amount of shock travel (compared to round wire springs). 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