QA1 9HT500B High Travel Coil Spring 9 Inch 500 lb/in Rate 2.5 Inch ID

The QA1 9HT500B is a high-performance coil spring engineered for demanding suspension applications requiring extended travel. Manufactured from premium chrome silicon alloy steel, this spring delivers exceptional durability and resistance to sag over time.

Key Specifications:

• Spring rate: 500 lbs/in for precise load control
• Free length: 9 inches
• Inner diameter: 2.5 inches
• Chrome silicon construction for superior strength and fatigue resistance
• Black powder coat finish provides corrosion protection and professional appearance
• High travel design accommodates greater suspension stroke

QA1's chrome silicon springs are heat-treated and shot-peened to maximize performance life. The black powder coating not only protects against the elements but also helps prevent binding in coilover applications. Ideal for racing, off-road, street performance, and custom suspension builds where precise spring rates and extended travel are critical.