Product details:
They are designed to level loads and reduce body roll. SuperSprings provide extra load support and reduce body roll without compromising ride quality. They are manufactured using a variety of different sized springs to support multiple applications, and they are manufactured from SAE5160H high-grade, shot-peened steel.SuperSprings are designed with various shackles. The shackles will have 1, 2, or 3-bolt holes. The bolt holes allow for adjustment. The higher the hole, the more pre-load tension, allowing the SuperSprings to start higher on the spring rate curve.