H&R R20041075 2.0" ID Race Spring 4" Length 1075 lbs/in Rate

The H&R R20041075 is a single high-tension coil-over race spring featuring a 2.0" inner diameter, 4" free length, and a linear spring rate of 1,075 lbs/in (188 N/mm). Engineered for precision motorsport suspension setups, this spring is built for road racing, time attack, autocross, and custom competition applications where consistent, repeatable performance is critical.

Key Features:

• Spring Rate: 1,075 lbs/in (188 N/mm) — linear rate for predictable, tunable response
• Free Length: 4.0 inches (102 mm)
• Inner Diameter: 2.0 inches (50.8 mm)
• Block Height: 2.09 inches (53 mm)
• Load at Block: 2,194 lbs
• Weight: 1.46 lbs — lightweight design reduces unsprung mass
• Crafted from special lightweight 54SiCr6 high-tensile spring steel for superior strength-to-weight ratio
• On average 15% lighter and offers 10% more travel compared to competing springs at the same rate
• Manufactured to strict tolerances in Germany using advanced production and quality control processes
• Designed for use with coil-over dampers in competition suspension systems

The H&R 2.0" I.D. Race Spring program offers a wide selection of rates and lengths, allowing builders and tuners to dial in the perfect suspension setup. Sold individually — one (1) spring per unit. For optimal performance, pair with quality coil-over dampers and complementary H&R tender or helper springs as needed.