Features: High Quality T6061 Aluminum, which machined by CNC technology, guarantees the quality and the stability of this fuel rail kit. Fuel Pressure Gauge Included. A 1/2-inch fuel bore to support fuel flow for applications up to 1,000 horsepower, works perfectly with fuel pressure gauge. Comprehensive Fittings, in this package, we have full accessories. Comprehensive installation instructions, hardware, fittings and injector O-rings are all included. Our fuel rail kit is made to acheive or even to exceed the standard, specifically engineered for each application. Easy To Install. Fuel pressure regulator or adjustable fuel pressure regulator mounts directly to rail with no modifications, it is easier to install. Specification: , Never Been Used. Type: Fuel Rail Kit. Material: Metal Color: Black Application: Fit for / for Del Sol Si B16A B16A1 B16A2 B16A3 B18C B18C1 B18C5 B20B B20Z Package Contents: 1 x High-Flow Fuel Rail Kit. 1 x Fuel Pressure Regulator Kit. 1 x Fuel Pressure Gauge. 1 x 6an Fitting for Fuel Rail-To-Fuel Line. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.