Keep your fuel free from water and contaminants. JEGS Fuel Filter/Water Separators feature a 7 micron filter to remove most all of the contaminants and water. Flows up to 40gpm with a burst pressure of 260psi and can handle up to 500hp. The cast aluminum filter mount features a 1/2" FPT inlet and outlet and 1"-14 threads for the spin on filter. Works with gasoline or diesel fuel. Replacement filter available separately and should be replaced every 24,000 miles or 12 months.