This fuel hose and gauge kit is designed for use on the 2004+ Lotus Elise and Exige with the 2ZZ-GE engine, both supercharged and normally aspirated. This kit replaces the factory fuel hose and connects directly to the OEM 2ZZ-GE fuel rail. All fittings are included for a bolt-on installation. This kit is helpful for tuning or troubleshooting the fuel system on the 2ZZ-GE engine.