Length [mm]: 89,2; Material: Chrome-Mangan-Nickel Steel; Supplementary Article / Supplementary Info Info 2: Chromed valve stem, Stellite covered valve seat; Valve Head Diameter [mm]: 25; Valve Stem Diameter [mm]: 6; Valve seat angle [°]: 45; TecDoc Engine Number: 22100, 22901, 22902, 22903, 26102, 26103, 26104, 26301; SMART: CITY-COUPE (450),FORTWO Coupe (450),CABRIO (450),FORTWO Cabrio (450),ROADSTER (452),ROADSTER Coupe (452),Crossblade Cabrio; 1600500027, A1600500027, 1600500027