CHROME NITRIDE (CRN) ENGINE VALVES:

We offer a unique Chrome Nitride (CRN) surface treatment done over PVD process to be added to our already premium quality standard valve in order to present an improved valve on both external appearance level and technical specifications level.

Main features:
 Extremely high corrosion resistance at very high temperatures.
 Extremely high engine heat resistance.
 Extremely high wear resistance.
 Significantly extended valve life.
 High hardness level of up to 1400HV
 Impressive external design featuring either black, shiny silver or our unique deep dark purple colors.

Valve basic definitions upgrades available according to SINUS Ltd performance series structure:

Valve Material upgrade:
Nimonic N-80A | Inconel 751-X

Valve structure and definitions reshape upgrade:
Jet Flow Cut | Spiral Polish | Stelite on valve’s seat