ITEM NAME:For Ford 99-03 7.3 7.3L Powerstroke Fuel Pressure Spring Seal Set D7W6 ☆★ Product Details ★☆ For Ford 99-03 7.3 7.3L Powerstroke Fuel Pressure Spring Seal Set D7W6 Suitable for 99-03 Ford and International 7.3L Powerstroke crude oil engines The fuel pressure rebounds the spring and increases rail pressure by 10%.DD-9H323-7.3 Color:blue+black material:metal Package Contents: 4* fuel line 2* exhaust valve 2* fuel heater 1* pressure reducing valve