Conventional Spring 11in x 5.5in 1000LB

The Conventional Spring 11in x 5.5in 1000LB from SWIFT SPRINGS is a precision-engineered coil spring designed for front suspension applications on street vehicles and light-duty builds. Built for mechanics and enthusiasts who demand reliable spring performance without compromise, this 1000 lb/in spring rate component delivers consistent load support and predictable handling characteristics. Whether you're refreshing an aging suspension system or building a custom setup from the ground up, this conventional coil spring provides the foundation for stable ride geometry and responsive vehicle control.

Manufactured with a black powder-coated finish, this SWIFT SPRINGS unit measures 11 inches in length with a 5.5-inch outer diameter, engineering specifications that ensure proper fitment in OEM and aftermarket suspension packages. The 1000 lb/in spring rate—measured in pounds per inch of compression—means the spring resists deformation with firm, linear resistance across its operating range. The conventional (non-progressive) rate profile makes this spring ideal for applications requiring consistent spring force throughout the suspension stroke, eliminating the softer initial compliance found in progressive designs. At 13 pounds per unit, the spring's mass is minimized to reduce unsprung weight while maintaining structural integrity and fatigue resistance.

Mechanics and suspension tuners benefit most from this spring when upgrading vehicles that require a moderate-to-firm spring rate for improved body control and reduced roll. The 1000 lb/in specification works best paired with compatible dampers and anti-roll bars to achieve a balanced setup; running springs without proper damper tuning can result in bouncy, unpredictable handling. Installation requires removal of the original front springs and use of a proper spring compressor for safe, accurate fitment. Always verify OEM spring specifications and ride height requirements before installation to ensure compatibility with your vehicle platform.