NGK ITR6G9 90156 Spark Plug

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Rating

4.2 / 5 Overall
NGK	ITR6G9
Brand	Code
4.5 / 5 Materials
Platinum	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

0.9mm (.035")	6
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
17.5mm (.689")	16mm (5/8")
Reach	Hex size
Tapered	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (2)

Alternative spark plugs found in cross-reference docs provided by manufacturers

IT20TT

Iridium-Platinum

4.7/ 5

.039"17.5mm, ⌀14x1.25HR 20

PT20TT

Platinum-Titanium

3.7/ 5

.039"17.5mm, ⌀14x1.25HR 20

Deep reference (6)

A second level of cross-reference: if A=B and B=C, then A=C

TR6AP-13

Platinum

3.8/ 5

.050"18mm, ⌀14x1.25HR 6

LTR6IX-11

Copper-Iridium

3.8/ 5

.043"25mm, ⌀14x1.25HR 6

TR6IX

Copper-Iridium

3.8/ 5

.039"18mm, ⌀14x1.25HR 6

TR6AP-13

Platinum

3.8/ 5

.050"18mm, ⌀14x1.25HR 6

TR6GP

Copper-Platinum

3.5/ 5

.039"18mm, ⌀14x1.25HR 6

TR6GP

Copper-Platinum

3.5/ 5

.039"18mm, ⌀14x1.25HR 6

Bigger gap (1)

0.1..0.3 mm gap increase for better performance given your ignition system can handle it

VT20

Iridium-Platinum

-

4.2/ 5

.043"17.5mm, ⌀14x1.25HR 20