Supertech Performance MAEVN-1206-8 Black Nitrided Exhaust Valve +1mm Oversize

The Supertech Performance MAEVN-1206-8 is a precision-engineered black nitrided exhaust valve set designed specifically for Mazda Miata 1.8L engines. This performance upgrade features +1mm oversize valves that improve exhaust flow and engine efficiency, making it ideal for racing applications and high-performance street builds.

Key Features:

• Black nitrided finish for enhanced durability and wear resistance
• +1mm oversize head diameter (29.00mm) for improved exhaust flow
• Stem diameter: 5.47mm for precise fitment
• Length: 102.6mm (+0.6mm extended length)
• Manufactured from high-quality materials to withstand extreme temperatures
• Designed for motorsport applications including drag racing, road racing, and rally

Supertech Performance is a Silicon Valley-based manufacturer specializing in premium valvetrain components for the racing industry. With over 30 years of experience, Supertech valves are trusted by professional engine builders and tuners worldwide for their exceptional quality and performance. These black nitrided exhaust valves provide improved thermal stability and extended service life compared to standard valves, making them an excellent choice for turbocharged and naturally aspirated performance builds.