Landrum Springs J125-300 13" x 5" Progressive Rear Spring

The Landrum Springs J125-300 is a high-performance progressive rate rear coil spring designed for racing and performance applications. This spring measures 13 inches in free length with a 5-inch diameter, providing optimized suspension characteristics for improved handling and control.

Key Features:

• Progressive rate design provides variable spring rate for enhanced suspension response
• 13-inch free length x 5-inch outer diameter
• Engineered for rear suspension applications
• Manufactured to precise tolerances for consistent performance
• Ideal for circle track, drag racing, and other motorsports applications

Landrum Springs has been a trusted name in racing suspension components for decades, manufacturing springs to exacting specifications for professional and amateur racers alike. The progressive rate design allows the spring to start softer for improved grip and compliance, then progressively stiffen as compression increases for better control and bottoming resistance.