King SPR375-24-550 Performance Coil Spring 3.75" ID 24" Length 550 lb Rate

The King SPR375-24-550 is a high-performance coil spring engineered for off-road and racing suspension systems. This precision-wound spring features a 3.75-inch inside diameter, 24-inch free length, and a 550 lb/inch spring rate, making it compatible with 3.0-inch outside diameter coil-over shocks across all major brands.

Key Features:

• 3.75" inside diameter fits 3.0" OD coil-over shocks
• 24" free length provides optimal suspension travel
• 550 lb/inch spring rate delivers consistent linear compression
• Manufactured in the USA from high-tensile chrome silicon wire
• Closed and ground ends ensure flat seating and true deflection
• Spring rate etched on top for easy identification after hard use
• Specifically wound for off-road applications, not repackaged automotive springs
• Lifetime warranty against sagging and breakage to original purchaser

King coil springs are developed through extensive real-world testing across all terrain types, ensuring consistent spring rates, exceptional durability, and reliable strength. The spring rate represents the force in pounds required to compress the coil one inch, with this 550 lb rate increasing linearly as compression increases. Universal fit for King and all other shock brands.