Energy Suspension Hyper-Flex master bushing set for 2006–2011 Honda Civic Si replaces rubber bushings with Hyper-Flex polyurethane that resists oils, UV and harsh environments and outlasts rubber. The master set includes bushings for front and rear control arms, knuckles and sway bars, improves suspension stability and control, and is offered as a durable, maintenance-conscious upgrade made in the USA.
Energy Suspension 06-11 Honda Civic Si Gray Master Bushing Set