Vibrant Aluminum Transition Weld Ferrule With O-Ring 4.5in OD To 4in HD Nissan GTR Controlling these problem factors are

Controlling these problem factors are an absolute must on performance use engines to prevent terminal engine failure

please confirm fitment before purchase

this valve can easily flow around 600HP when required and hold down as much boost as you'll ever be able to throw at it

This allows the user to convert to a return system if they desire

- R33 GTR / GTS-4

Vibrant Aluminum Transition Weld Ferrule With O-Ring 4.5in OD To 4in HD Nissan GTR Controlling these problem factors areVibrant Performance introduces a brand new offering of Transition Weld Ferrules manufactured from 6061 Aluminum and available in a wide variety of sizes giving fabricators more options when working with Vibrant HD Clamp Assemblies. Each Transition Weld Ferrule includes an O Ring seal.