Conventional Spring 11in x 5.5in 375#

The Conventional Spring 11in x 5.5in 375# from SWIFT SPRINGS is a heavy-duty suspension component engineered for vehicles requiring robust load support and consistent spring rate performance. This conventional coil spring is designed for trucks, SUVs, and off-road platforms where stability under load and durability are non-negotiable. Whether you're upgrading a work vehicle, restoring a classic truck, or building a off-road rig, this spring delivers reliable performance across demanding applications.

At 375 pounds per inch (lbs/in) spring rate, this component provides firm resistance to compression while maintaining predictable suspension geometry under varying load conditions. The 11-inch free length and 5.5-inch coil diameter create an optimal balance between packaging efficiency and load-bearing capacity. SWIFT SPRINGS' conventional design utilizes quality steel construction with consistent winding geometry to minimize spring sag and ensure years of service life. The spring's specifications make it suitable for both stock replacement and performance upgrade scenarios, offering tunable compliance for different driving conditions and payloads.

This spring benefits owners of light-duty trucks, full-size pickups, and SUVs that experience regular towing, hauling, or off-road use. Installation pairs effectively with complementary suspension upgrades such as shock absorbers, bushings, and control arm packages to optimize overall suspension performance. Proper installation requires correct seating on upper and lower mounts and may benefit from professional alignment following replacement. Always verify fitment with your specific vehicle platform and consult suspension geometry specifications to ensure compatibility with your current setup.