This is a complete bolt on kit. No other parts are needed. This is the same system we use on our 500HP cars. For any questions regarding your fuel system upgrades or tuning please call us 614-771-8966 Replaces secondary fuel rail Machined aluminum extrusion with machined mount brackets Bolt-on application ACV must be eliminated Standard -6AN fittings included ** This setup cannot be used with the stock ECU.