TecDoc Engine Number: FIAT 138 B3.048 ; Overall Length [mm]: 108.5 mm ; for piston Ø [mm]: 80 mm ; for piston Ø [mm]: 86 mm ; for piston Ø [mm]: 86.4 mm ; for piston Ø [mm]: 86.6 mm ; Valve head diameter [mm]: 36 mm ; Valve stem diameter [mm]: 8 mm ; Valve seat angle [°]: 45 º ; ArticleState: Normal