Swift Coil-Over Spring - Barrel Type - 2.5" ID x 12" - 325 lb. 15001903 They feature an O-ring design

They feature an O-ring design for an improved seal

simply bend sides outward and the paper towel roll will slide on

your GM 2500HD/3500 can be ready for any weight and any situation (NOTE: Do not exceed vehicle s GVWR)

2 x 2 in Square

Swift Coil-Over Spring - Barrel Type - 2.5" ID x 12" - 325 lb. 15001903 They feature an O-ring designINCREASE 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