Supertech Performance & Racing Valves - Black Nitrided - INTAKE - RSX-S & TSX K20/K24 DOHC i-VTEC - Stem Dia. 5.48mm, Length 108.85mm

Using more than 20 years of manufacturing racing valves, along with computerized Finite Element Analysis (FEA), Supertech does extensive testing and works very closely with many engine builders. High flow rates, durability and quality are the utmost goal at Supertech.

Supertech valves are available in many different materials including Stainless Steel Alloy, Nimonic, Inconel, Titanium and more. There are different alloys, heat treatments and coatings used for different applications. For most of the alloys Supertech follows the specifications under SAE standard J775.