Platinum Spark Plug
● By joining an ultra -fine iridium alloy tip on center electrode and platinum tip on ground electrode.
● Platnium is used for both the center and ground electrodes.
● This plug is the optimum design for direct fuel injection engines.
THE PLUG CONNFIGURATION
Mainly for autobiles and trucks
Better fuel efficiency
Fig. 4 shows the results of the examination of combustion variation and fuel consumption, using a 1,800-cc, four-...