Complete engine management system for type 25 waterboxer 1.9 and 2.1 Kit includes a crank trigger ignition with billet pulley, twin 42mm throttle bodies,throttle position sensor, DTA S40 ecu, centre pull stainless steel linkage, fuel rail mounted regulator,4 injectors,air filters with internal ram pipes, wiring harness, coil pack and ignition leads. Throttle spindles run in teflon impregnated bronze bushes with internal O ring seals ideal for turbo charging If you have a fuel injection vehicle you can use the existing fuel pump and return line.If you are converting from carb you will need to fit a fuel injection pump and a fuel return line to the tank Wiring harness is complete with control relays and requires only 3 wire hook up-Battery +ve ,Ignition +ve and earth 5 metre laptop comms cable is included in the kit ECU is pre programmed with a suitable dyno tested "MAP" 2.1 or 1.9 System can be easily manipulated with a laptop and fueling controlled directly with a wide band lambda All our development has been carried out with the merged exhaust system which is not included with the kit Recent testing on a 2.1 MV gave an increase of 30bhp and 30ft/lb of torque