Hyperco 186A0800 2.25" I.D. Coil Spring 6" Free Length

Hyperco

<h3>Hyperco: A Racing Legacy Built on Precision Springs</h3><p><a href="/1025-hyperco-coil-spring-7512">Hyperco coil springs</a> are synonymous with winning. Since the early 1960s, when founder Jim Fielder pioneered a new generation of racing suspension springs, the brand — now known the world over as Hypercoils — has been engineering some of the most precisely manufactured performance suspension components in the industry. That tradition of innovation has never wavered: Hyperco suspension springs have been found on every Indianapolis 500 winning car since 1965, a testament to the brand&apos;s unmatched consistency and engineering depth.</p><h3>Focused Exclusively on Suspension Springs</h3><p>What sets Hyperco apart from the competition is singular focus. While many manufacturers offer springs as a footnote in a sprawling catalog, Hyperco devotes its entire engineering and manufacturing expertise to suspension springs and related components. The result is a level of refinement that generalist brands simply cannot match. Hyperco engineers utilize cutting-edge design and performance simulation software, along with multi-axis rate and load testing equipment, to ensure every spring delivers on its rated specification — every time.</p><p>That commitment extends to materials as well. Hyperco manufactures using ultra-high tensile chrome silicon, micro-alloys, titanium, alloy steels, and stainless steel — many of which are not found in a standard mill&apos;s inventory. This allows engineers to dial in suspension coils to optimum specifications across the widest variety of wire diameters available today. Every spring is proudly designed and manufactured in the United States at facilities in Logansport, Indiana and Pontotoc, Mississippi.</p><h3>From the Race Track to the Trail</h3><p>Hyperco&apos;s roots may be in circuit racing, but the brand&apos;s product range extends well beyond the track. Today, Hyperco serves the motorsports, street performance, and off-road/powersports markets with a comprehensive lineup that includes coil-over springs, conventional springs, <a href="/1025-hyperco-coil-spring-leaf-spring-stabilizer-bar-kit-14806">spring kits</a> for UTVs and side-by-side vehicles, <a href="/1025-hyperco-leaf-helper-spring-15009">leaf helper springs</a>, and even carbon composite leaf springs for select Chrysler, GM, Camaro, and Corvette applications. Whether you&apos;re building a championship-level race car or dialing in the suspension on a weekend off-road rig, there&apos;s a Hyperco solution engineered for the task.</p><p>The brand&apos;s proprietary <strong>Optimum Body Diameter (OBD)</strong> design is a key differentiator in the coil-over spring segment. By adjusting the body diameter of a spring relative to its end coils, OBD springs deliver more usable deflection, superior rate linearity, and greater resistance to bowing — all at a reduced weight. Meanwhile, the <strong>Dynamic Travel Response</strong> design philosophy guides the development of conventional circle-track springs, pushing performance within the strict constraints of sanctioning body rules.</p><h3>Championship Pedigree, Lifetime Confidence</h3><p>Hyperco is trusted at the highest levels of motorsport competition, with springs appearing across NASCAR, Formula One, and IndyCar series. That same race-proven engineering is backed by a limited lifetime warranty on all Hypercoils performance coil springs — a confidence statement few brands can match. For racers, builders, and enthusiasts who refuse to compromise on suspension performance, Hyperco remains the definitive choice. Explore the full lineup, including <a href="/1025-hyperco-alignment-shim-10657">alignment shims</a> and suspension accessories, to find the right components for your build.</p>