The QA1 4-1/8 inch ID tapered high travel spring is designed for maximum performance and durability in automotive suspension systems. Crafted from high-tensile chrome silicon alloy wire, this spring offers an optimal balance of strength and weight reduction, contributing to improved vehicle handling and response. Its tapered end design enhances stability and consistent operation under demanding conditions. With a spring rate of 400 lbs per inch, this spring provides reliable support and controlled movement, making it suitable for a variety of high-performance applications. The 10-inch length coupled with a 4-1/8 inch inner diameter allows for substantial travel, minimizing the risk of coil bind while maintaining structural integrity. The spring's silver powder coat finish ensures resistance to corrosion and an appealing aesthetic, while ground ends guarantee precise and stable contact points for consistent operation. QA1's high travel springs undergo rigorous manufacturing processes, including cold winding, heat treatment, and shot peening, to ensure longevity and fatigue resistance. All springs are marked with their free length and spring rate for quick identification and are manufactured in the USA, adhering to strict quality standards. The springs are guaranteed to remain within 2% of their original free height and rate for a lifetime, providing peace of mind and lasting performance for your suspension setup. Whether upgrading a race car or restoring a classic, this spring offers a lightweight, high-performance solution designed for durability and precision, backed by QA1's commitment to quality and American manufacturing standards.
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