King SPR425-22-550 Off-Road Coil Spring 4.25" ID x 22" x 550 lb Rate

The King SPR425-22-550 is a premium off-road coil spring designed for serious enthusiasts and racers who demand the best performance from their suspension system. This high-performance spring features a 4.25-inch inside diameter, 22-inch free length, and a 550 lb/inch spring rate, making it compatible with 3.5-inch outside diameter coil-over shocks.

Key Features:

• Manufactured in the USA using the finest quality high tensile chrome silicon wire
• Specifically wound for off-road applications, not repackaged car springs
• Closed and ground ends to sit flat and deflect true
• Spring rate etched on top for clear identification after hard use
• Spring rates, wire diameters, and coil lengths developed through extensive real-world testing on all types of terrain
• Universal fitment - compatible with King and all other brands of coil-over shocks
• Powder coated for maximum corrosion resistance

Specifications:

• Inside Diameter: 4.25 inches
• Free Length: 22 inches
• Spring Rate: 550 lbs per inch
• Fits: 3.5" outside diameter coil-over shocks

King's race-winning spring designs have been proven in the heat of competition from Baja to Dakar. Each spring is backed by King's lifetime warranty to the original purchaser against sagging and breakage, ensuring you have confidence in your suspension setup when it matters most.