... : Good finished, Advanced technique & wear proof & high temperature resistant etc. 2) Material: Boron alloy, boron-copper alloy casting ... iron & Mixing with chrome, molybdenum, nickel etc. 3) Different Treatment: Phosphated, Nitrided, Chrome plated, ... For Chinese, European& American, Korean & Japanese engines etc. 2)Excellent quality 3)Competitive price 4)Outstanding after- ...