VariReg variable pressure fuel regulators enable you to vary the fuel pressure at the injectors on some EFI Harley-Davidson and some fuel injected Ducati models. The benefits of installing a VariReg is that it increases the fuel pressure available at the injectors, enabling you to improve your engine's running characteristics as well as obtain better results from aftermarket go-faster bits and pieces. Increased fuel pressure also creates better fuel atomisation, which gives more efficient combustion.
The VariReg makes monkey business out of varying fuel pressure, all you need to do is turn a single adjustment screw. The VariReg replaces the original equipment regulator, and of course, comes with complete instructions. Click on the links below for more information.