This Korean Industrial Standard specifies practical testing procedures for adaptability of spark plugs for automobiles, hereinafter referred to as the "spark plugs", to an engine when they are attached to the engine.
KS R 1074-1988 history
2013KS R 1074-2013 ADAPTABILITY TEST CODE OF SPARK PLUG FOR AUTOMOBILES
0000 KS R 1074-2003(2008)
2003KS R 1074-2003 Adaptability test code of spark plug for automobiles
1988KS R 1074-1988 ADAPTABILITY TEST CODE OF SPARK PLUG FOR AUTOMOBILES