Supertech TEVN-1018 Black Nitrided Exhaust Valve 27.00mm (+1.0) Head 4.97mm Stem

Supertech TEVN-1018 Black Nitrided Exhaust Valve 27.00mm (+1.0) Head 4.97mm Stem Product Detail(s): Brand : Supertech Manufacturer Part Number : TEVN-1018 Country of Origin : USA Warranty : Yes Description(s): Our exhaust valves are made from EV16 (21-8N) or EV8-Nb/w for even greater strength at higher temperatures. Our stainless steel valves are one piece forged valves and depending on the application feature hardened tips hardened seats swirl polish undercut and our black nitride coating. Our black nitride coated valves feature a harder surface area and a smoother finish providing less friction and subsequently longer life. Feature(s): The micro hardness is higher than the stainless steel base material Good ductility beneath the hard nitrided layer (micro hardness is 8000HV minimum) Surface finish is smoother than with chromed stems Less friction between stem and guide Harder valve seat surface lasting longer with lead free fuels alcohols nitro or other …explosive mixes Matches any kind of seats (nodular iron steel powder metal hard aluminum-copper or be ryllium copper) Less valve guide friction = reduced power loss Nitride layer is adhered to the base material at a microscope level so it will not …flake or brake Technical Specification(s): Head Diam : 27.00mm (+1.0) Stem Diam : 4.97mm Length : 108.40mm Material : Black Nitrided Valve Type : Exhaust WARNING: This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov

Supertech TEVN-1018 Black Nitrided Exhaust Valve 27.00mm (+1.0) Head 4.97mm Stem