Swift Bulletproof Coil-Over Spring - 3.5" ID x 16" - 150 lb. Control Arm Caster Slug Approved for use by Knoxville

Approved for use by Knoxville Raceway and the WoO (World of Outlaws)

"U" cross section

18 in Spiraled Cord

Crower's Severe-Duty Cut-Away style rollers feature a superior

Swift Bulletproof Coil-Over Spring - 3.5" ID x 16" - 150 lb. Control Arm Caster Slug Approved for use by KnoxvilleINCREASE TRACTION, LESS UN SPRUNG MASS, MORE STROKE, INCREASED HANDLING. THE ONLY THING YOU WILL BE LOSING IS TRACK TIME. 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 generation of