This system does not come with a fuel pump. In general, this kit only requires uprated fuel injectors (which are included) to hit its advertised power. That being said, as these trucks age, it may be a good idea to at least get a replacement stock unit. The included tuning is only designed to work with a stock fuel pump (or an aftermarket fuel pump with OEM flow rates) and the stock phasers in full operation. A high-flow oil pump probably wouldn't be a bad idea, but it's not entirely necessary.