Spark Plugs
Chapter 2 Spark Plugs
18
●
Combining the ultra-fine 0.4-mm
diameter iridium alloy center electrode
with the 0.8-mm square all-platinum
ground electrode, spark cleaning
pocket, housing end chamfer, silicon
oil application, racing insulator, etc.
greatly improves ignition performance
and extends durability.
0.8 mm square all-platinum ground
electrode
Ultra-fine 0.4-mm diameter iridium
alloy center electrode
Racing insulator
Spark cleaning pocket
Silicon oil application
Housing end chamfer
All-round laser welding
Terminal
Built-in high-reliability resistor
Plated with highly corrosion resistant
nickel
10
10
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
●
The ground electrode of this
revolutionary iridium plug features
DENSO's very own technology and is
needle-shaped, resulting in an
unparalleled reduction in quenching
action.
0.55mm diameter. Iridium
0.7mm diameter. Platinum
2
2
1
1
Needle to needle
Iridium Plug
4
4
3
3
10
10
9
9
8
8
1
1
4
4
3
3
2
2
5
5
6
6
7
7
1
1
2
2
FXE20HE11
Содержание CAFITESSE 300
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