>>>WIDE COMPATIBILITY：Compatible with Ford 7.3L 1994-1997 F250 F350 E350 OBS trucks. Also compatible with many filters such as CAT: 175-2949, 198-6378, 1R-0750 or 1R-0749 (1R-0749 &198-6378 may require the filter mount to be moved for the higher filter height). Replacement filter for WIX 33405 or for NAPA 3405. >>>SUPERIOR MATERIAL: Made of superior aluminum alloy and stainless steel components, sturdy and stable, best reliability. Anodized black coating, anti-rust, anti-corrosion, high performance and long service life. Includes 6 AN ports and 0-100 psi quality liquid filled gauge. >>>GREAT PERFORMANCE: Being able to take the fuel system to a whole new level, achieving faster start-up and smoother engine runnig.Use this Regulated Fuel Filter Bowl Return Kit to upgrade your fuel system, such as increasing filter capacity, ensuring better water separation, extending filter change intervals, eliminating factory leak points, and eliminating original equipment regulator issues. Adjustable fuel regulator to adjust pressure to desired specification. Increase engine valley space for future better modification or maintenance. Fits single or dual fuel tank trucks.  >>>PACKAGE INCLUDED: This fuel filter bowl regulated return kit provides 2 x feed lines, 1 x return hose, 1 x adjustable fuel regulator, 1 x filter base, 1 x bracket, 1 x filter, 1 x fuel pressure gauge, 1 x valve, 3 x hose clamps, 1 set of fittings and nuts, 8 x zip ties. >>>PREMIUM SERVICE: If you encounter any problems or you're not 100% satisfied with this product, please contact us in time, we will deal with you as soon as possible.No worry about buying!