The Energy Suspension black rear subframe insert set for 1989–1994 Nissan 240SX (S13) is a performance polyurethane subframe bushing set intended for rear installation. The extended description notes these inserts require reuse of existing outer metal shells and all metal hardware. Energy Suspension’s market text highlights its Hyper-Flex polyurethane development, claims improved control and reduced wheel hop, and references a limited warranty and support.
Energy Suspension 89-94 Nissan 240SX (S13) Black Rear Subframe Insert Set - a supplement to the subf