Coilover Spring 8in x 2.5in x 300lb

The SWIFT SPRINGS Coilover Spring 8in x 2.5in x 300lb is a precision suspension component engineered for vehicle enthusiasts and professional mechanics seeking responsive handling and refined ride quality. This coilover spring serves as the foundation of modern performance suspension systems, working in tandem with adjustable dampers to deliver both comfort and control across varying road conditions. Whether you're building a track-focused platform or upgrading a street car for improved dynamics, a quality coilover spring is essential for translating driver input into predictable chassis behavior.

This 8-inch spring features a 2.5-inch inner diameter and a 300-pound spring rate, making it ideal for mid-weight sports cars and tuned street vehicles where progressive handling is the priority. The 300lb/inch rate strikes a balance between supporting dynamic cornering forces without excessive harshness during daily driving, while the 8-inch free length provides proper suspension geometry across commonly modified ride heights. SWIFT SPRINGS' manufacturing process ensures consistent preload and linearity, critical factors that prevent binding, eliminate unwanted deflection, and maintain predictable suspension response through the entire stroke.

This coilover spring is ideal for builders and tuners installing complete coilover kits on sport-oriented platforms where OEM suspension geometry has been retained or minimally modified. The 300lb rate complements most aftermarket dampers rated for similar spring weights, ensuring harmonious damping ratios and eliminating under or over-damping conditions. Proper installation requires precision—verify that your coilover platform accepts a 2.5-inch inner diameter spring, confirm ride height adjustments accommodate the 8-inch compressed length, and always pair this spring with a compatible damper to achieve the suspension performance you've designed for.