Fox Racing Shocks 039-40-550-A Coilover Spring 16 in. 2.50 in. ID 550 lbs/in. Silver

The Fox Racing Shocks 039-40-550-A is a high-performance coilover spring designed to complement Fox's full lineup of shock absorbers and struts. Featuring a 550 lbs/in. spring rate, a 16.000-inch travel length (TLG), and a 2.50-inch inner diameter, this spring delivers precise load management and consistent damping characteristics for demanding off-road and performance applications.

Fox engineers this coilover spring to be as lightweight as possible while maintaining the structural integrity needed to withstand the loads imposed by today's high-performance racing suspensions. The silver powdercoated finish provides corrosion resistance and a clean, professional appearance.

Key Features:

• Spring Rate: 550 lbs/in.
• Travel Length (TLG): 16.000 inches
• Inner Diameter (ID): 2.50 inches
• Finish: Silver powdercoat
• Engineered for minimal weight without sacrificing load capacity or performance
• Compatible with Fox coilover shock absorbers and struts using 2.50 in. ID springs
• Sold individually

Whether you're fine-tuning suspension stiffness, adjusting ride height, or replacing a worn spring, the Fox 039-40-550-A provides a direct-fit, race-proven solution backed by decades of Fox suspension engineering.