Description: High Flow Fuel Series Replacement Engines. Fits Integra Del B16A B16A1 B16A2 B16A3 B18C B18C1 B18C5 B20B B20Z Fuel Pressure Regulator or Adjustable Fuel Pressure Regulator mounts directly to the rail without any modifications 1/8 NPT port is included to accommodate a fuel pressure gauge from 1" to 2" to maintain fuel flow up to 1000 horsepower A fuel line fitting is included to fit the factory fuel line and the ends of each rail are threaded to accept -6 9/16" x 18 fittings so users can use custom fuel lines. Specification: Material: Aluminum Alloy. Size chart: 38x6x6 cm/ 14.96 x 2.36 x 2.36 inches Package includes: 1 piece B-series fuel tank 1 piece plug 4 pieces O-rings 1 piece port plug gasket nut Note: 1. Please allow slight error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Have a wonderful online shopping!