... . instant price AND FEEDBACK D. complete PLUG models AUTO spark plug, spark plug C7HSA examples show here Central Electrode copper, alloy, platinum ... FIXING, SUCH AS OIL CONTAMINATION AND DIRT.2. SET THE SPARK PLUG ONTO THE CYLINDER HEADAND, TIGHTENNING AND KEEP THE ... REPLACED IT MANY TIMES BEFORE.3, MAKE SURE SPARK PLUG RIGHT INSTALLATION. SPARK PLUG HOUSING BREAKS IF TOO TIGHT WHILE MOTOCYCLE SHAKES ...