Ford Duratec 2.0 & 2.3 16v Supertech Inconel Exhaust Valve Kit (Turbo Use)  Interior On the track the Quaife

On the track the Quaife ATB cuts lap times dramatically and improves standing quarter performance

Sharper throttle response

All Pro Alloy radiator cores are fully brazed in a controlled atmosphere process to comply with ISO 9001 quality assurance standards

the all-new ST X kits give a bolt-on suspension solution

All other colours are 4mm and kaylan to ensure best quality

Ford Duratec 2.0 & 2.3 16v Supertech Inconel Exhaust Valve Kit (Turbo Use)  Interior On the track the QuaifeMade as a one piece forged valve for higher strength and reliability, Supertech use mostly EV8 (21 4N) for Intake and Exhaust valves but there are other alloys that we use along with different heat treatments to manufacture valves for different applications. Black Nitriding: This is a hardening treatment that even though it is not widely used as the chrome coating, it has several benefits and is becoming very popular, mainly for European and Japanese