AEM 25-112BK High Volume Fuel Rail for Honda S2000 Fits the following vehicles: 2004-2005 Honda S2000 2.2L VTEC Fits the following vehicles: 2000-2003 Honda S2000 2.0L VTEC Comprehensive installation instructions, hardware, fittings and injector O-rings included Specifically engineered for each application No additional parts required for installation