Swift Rear Coil Spring - 5.0" OD x 14" Tall - 300 lb. 1311113 Select-A-Speed

Select-A-Speed

000" H-Beam rods

4-inch wheelbases

1 in Increments

2017 Ford F-350 Super Duty SuperCab Pickup

Swift Rear Coil Spring - 5.0" OD x 14" Tall - 300 lb. 1311113 Select-A-SpeedINCREASE 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