The products included in our LPG 4-cylinder SGI kit are as follows: 1 SGI Regulator 1 LPG Gas Filter 1 Multivalve 1 6 Cylinder 3 Ohm Rail Injector 1 Map Sensor 1 Electronic Control Unit (ECU + Harness Wire) 1 Level Sensor 1 Switch and Level Indicator 1 Filling Point Hoses and Fittings