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The H&R Sport Spring kit for 2006–2011 Honda Civic Si sedan lowers ride height and reduces body roll to sharpen handling and enhance stance. Built with progressive-rate 54SiCr6 spring steel and shot peening, the springs are designed to balance improved control with retained ride quality, providing a focused yet comfortable upgrade for Si sedan owners seeking better on-road dynamics.
H&R 06-11 Honda Civic Si Sedan Sport Spring
