Swift Coil-Over Spring - 3" ID x 14" - 50 lb. Catalytic Converters 400 in Backspace

400 in Backspace

giving the driver predictable pedal feel and excellent control qualities lap after lap

Includes 31 Spring S-Spring/Differential Pin Lock Bolt w/Thread Lock

This design eliminates frame to body slippage

Body Reinforcing Plate

Swift Coil-Over Spring - 3" ID x 14" - 50 lb. Catalytic Converters 400 in BackspaceINCREASE 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