New Kibblewhite Black Diamond 1984-1999 EVO Intake Valve OEM 18074-83 20-4171 piston kit 2007 KTM 525 EXC RACING

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New Kibblewhite Black Diamond 1984-1999 EVO Intake Valve OEM 18074-83 20-4171 piston kit 2007 KTM 525 EXC RACINGNew Old Stock Part # 18074 83 20 4171 New Kibblewhite Black Diamond 1984 1999 EVO Intake Valve Kibblewhite Black Diamond valves are CNC machined from one piece forgings of EV8 stainless steel, impregnated by a special German process to a depth of . 002 in. with a surface buildup of . 0002 in. This proprietary, multi stage process reduces friction and provides superior resistance to wear and corrosion over traditional chrome and nickel electrolysis