King SPR3-10-500 3.0 Inch ID Coil Spring 10 Inch Length 500lb Rate

The King SPR3-10-500 is a high-performance coil spring designed specifically for off-road suspension applications. This precision-engineered spring features a 3.0-inch inside diameter, 10-inch free length, and a 500 lb/inch spring rate, making it ideal for demanding off-road and racing environments.

Key Features:

• Manufactured in the USA from premium high-tensile chrome silicon wire
• Closed and ground ends to sit flat and deflect true
• Specifically wound for off-road applications, not repackaged automotive springs
• Spring rates and wire diameters developed through extensive real-world terrain testing
• Fits 2.5-inch outside diameter coil-over shocks
• Lifetime warranty against sagging and breakage to original purchaser

Specifications:

• Inside Diameter: 3.0 inches
• Free Length: 10 inches
• Spring Rate: 500 lbs per inch of compression

King coil springs represent race-proven performance tested from Baja to Dakar. Each spring is manufactured to King's exacting specifications with closed and ground ends that ensure proper seating and true deflection. The 500 lb/inch spring rate means it requires 500 pounds of force to compress the spring one inch, providing predictable, linear performance throughout the suspension travel range.