Landrum Springs H400 4in x 5in x 400lb Damping Spring

The Landrum Springs H400 is a high-performance damping spring designed for racing and high-performance automotive applications. This spring combines a 4-inch inside diameter with a 5-inch free height and a 400-pound spring rate, delivering precise suspension control under demanding conditions.

Key Features:

• 4-inch inside diameter for proper coil-over fitment
• 5-inch free height provides optimal travel range
• 400 lb/in spring rate for consistent suspension response
• Damping spring design helps control harmonic oscillation
• Precision-wound construction for reliable performance
• Heat-treated high-tensile steel for durability

Landrum Springs damping springs are engineered to reduce unwanted spring harmonics and oscillation that can occur under heavy cornering and acceleration. The H400 is ideal for circle track racing, road racing, and other motorsports applications where suspension consistency is critical. This spring can be used as a primary spring or as part of a dual-spring setup depending on your suspension configuration.