Historical
ISO 2346:2001
Road vehicles - M14 x 1,25 compact spark-plugs with flat seating and 19 mm hexagon and their cylinder head housing
This International Standard specifies the main characteristics of M14 x 1,25 compact spark-plugs with flat seating and 19 mm hexagon and their cylinder head housing, for use with spark-ignition engines.
International Organization for Standardization [iso]