Hyperco 18Y0900 Conventional Coil Spring OD Length lb/in Rate - 5.0 9.5 900

The Hyperco 18Y0900 is a high-performance conventional coil spring engineered for motorsports and racing applications. This precision-manufactured spring features a 5.0-inch outside diameter, 9.5-inch free length, and a 900 lb/in spring rate, making it ideal for front suspension setups requiring firm damping control.

Key Specifications:

• Outside Diameter: 5.0 inches
• Free Length: 9.5 inches
• Spring Rate: 900 pounds per inch
• Material: High-tensile strength steel
• Finish: Blue powder coat for corrosion resistance
• Application: Front suspension (conventional spring)

Hyperco Quality and Heritage:

Hyperco springs are trusted by professional race teams worldwide, with a winning legacy that includes every Indianapolis 500 winner for over 50 years. Each spring is precision-engineered and manufactured in the United States using advanced metallurgy, winding techniques, and heat treating processes. All Hyperco springs are backed by a limited lifetime warranty to the original purchaser, guaranteeing the spring will remain within two percent of original manufacturing tolerances for rate and free length when properly maintained.

Important Note: This part number (18Y0900) has been superseded by manufacturer part number HYPJ900. Both part numbers reference the same spring specifications.

Ideal for circle track, road racing, drag racing, and high-performance street applications where precise suspension control and consistent performance are critical.