Supertech Mazda/Ford Duratec 2.0L/2.3L Inconel Exhaust Valve - +1mm Oversize - Set of 8

Crafted from Inconel, a high-nickel alloy known for its exceptional heat and corrosion resistance, these Supertech exhaust valves are built to handle the demanding conditions inside your Mazda or Ford Duratec 2.0L or 2.3L engine. This set includes eight valves, each measuring 1mm oversize compared to stock, which can be beneficial when rebuilding or upgrading your engine's top end. The Inconel material is crucial for exhaust valves because it can withstand the extreme temperatures and pressures found in the exhaust port, helping to prevent valve distortion or failure over time.

When you're working on the cylinder head, using valves made from a material like Inconel is a smart choice for longevity and performance. These valves are designed to fit right into your Duratec engine, and the +1mm oversize dimension is a common specification for engines that have been ported or are looking for a slight increase in valve area. This can contribute to improved airflow and combustion efficiency, especially when paired with other engine modifications.

This set of eight valves is a solid option for anyone undertaking a significant engine overhaul. Ensure you have the correct valve seals and guides for the +1mm size, as these are typically required for a proper installation. Always refer to your engine's specific service manual for detailed installation procedures.