Energy Suspension Hyper-Flex red front shock bushing set for 1999–2000 Honda Civic Si replaces OE rubber bushings with performance polyurethane to improve shock response and durability. The kit’s Hyper‑Flex polyurethane construction is intended to increase shock efficiency, resist degradation versus OEM rubber and suit competition or show use where firmer, longer-lasting bushings are preferred.
Energy Suspension 99-00 Honda Civic Si Red Front Shock Bushing Set