King SPR375-16-250 Coil Spring ID Length lb/in Rate - 3.75 16 250

The King SPR375-16-250 is a high-performance coil spring designed for off-road and racing applications. This universal coil spring features a 3.75-inch internal diameter, 16-inch free length, and a 250 lb/in spring rate, making it compatible with 3.0-inch diameter coil-over shock bodies.

Key Specifications:

• Internal Diameter: 3.75 inches
• Free Length: 16 inches
• Spring Rate: 250 lbs per inch
• Fits 3.0-inch outside diameter coil-over shocks
• Universal fitment for King and other shock brands

Premium Construction:

• Manufactured in the USA from 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 coil lengths developed through extensive real-world testing

Understanding Spring Rate: The spring rate represents the amount of force in pounds required to compress the coil one inch. With a 250 lb/in rate, this spring requires 250 lbs of force to compress one inch, 500 lbs for two inches, and so on, providing predictable linear compression characteristics.

Backed by King Shocks' lifetime warranty against sagging and breakage to the original purchaser. King Shocks' race-proven designs have been tested in the most demanding conditions from Baja to Dakar. Package includes one spring only; hardware sold separately.