Swift Bulletproof Coil-Over Spring - 3.5" ID x 16" - 140 lb. 37017LK Weld-on lower bracket to 3"

Weld-on lower bracket to 3" axle tube to mount coilovers and trailing arms

think safety

Advanced casting technology enables Dart to produce heads with higher density and strength in the combustion chambers

Horizontal Bar

Provides more accurate set-ups duringvehicle scaling

Swift Bulletproof Coil-Over Spring - 3.5" ID x 16" - 140 lb. 37017LK Weld-on lower bracket to 3"INCREASE 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