Looking for an air/fuel separation system that can take your 6.4 Powerstroke to the next level? Look no further than the Airdog II-5G A7SABF595 DF-220-5G. This top-of-the-line system features a 220 GPH pump with a 4 bearing motor and intermediate shaft, making it capable of delivering serious power and performance. The larger ports on this pump also make it more efficient than previous models, while the diaphragm fuel pressure regulator ensures consistent and reliable pressure. And thanks to the demand flow design, you'll enjoy reduced aeration and improved fuel economy. If you're looking for the best, the Airdog II-5G is the clear choice.