HYBRID RACING FUEL RAIL FOR K SWAP VEHICLESHybrid Racing fuel rails are made from 6061 aluminum with T6 heat treatment and feature a durable anodized finish with a laser etched logo ensuring that your engine bay looks fresh and your engine stays fed! Each rail includes a 1 8" NPT hole that allows you to mount a fuel pressure gauge directly to your fuel rail. This puts the fuel pressure gauge in a spot that's easily visible, so you don't have to poke around in the engine bay just to see if you