QA1 10HT850B High Travel Coil Spring 2.5" ID 10" Length 850 lb/in Rate

The QA1 Precision Products 10HT850B is a high-performance coil spring engineered for demanding racing and performance applications. Manufactured from premium chrome silicon alloy, this spring delivers exceptional durability and consistent performance under extreme conditions.

Key Specifications:

• Spring rate: 850 lbs/in for firm, controlled suspension response
• Free length: 10 inches
• Inner diameter: 2.5 inches for compatibility with standard coilover systems
• Chrome silicon construction for superior fatigue resistance and longevity
• Black powder coat finish provides corrosion protection and professional appearance
• High travel design accommodates extended compression and extension cycles

QA1's chrome silicon springs are precision-wound and heat-treated to maintain their specified rate throughout their service life. The black powder coating not only protects against the elements but also helps identify spring rates in multi-spring setups. Ideal for circle track racing, drag racing, road racing, and high-performance street applications where precise suspension tuning is critical.