Type:Intake & Exhaust Valve OE NO.:Standard Warranty:1 Years Size:OEM Size Material:21-4N 4Cr9Si2 40Cr 23-8N 4Cr10Si2Mo Color:black white golden Payment:T T Packing:Carton Shipping:Sea Service:OEM Service Quality:100%tested Sample:Avaiable MOQ:200 Product Name:Engine Valve for Proton Persona 1.6