NGK LTR6EI-9 90483 Spark Plug

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Rating

4.2 / 5 Overall
NGK	LTR6EI-9
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
25mm (1")	16mm (5/8")
Reach	Hex size
Tapered	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Same specs (4)

Products that have identical characteristics that impact interchangability

LTR6AI-9

Iridium-Platinum

-

4.2/ 5

.035"25mm, ⌀14x1.25HR 6

ILTR6M9G

Iridium-Platinum

-

4.2/ 5

.035"25mm, ⌀14x1.25HR 6

LTR6BI-9

Iridium-Platinum

-

4.2/ 5

.035"25mm, ⌀14x1.25HR 6

ILTR6F9

Iridium-Platinum

-

4.2/ 5

.035"25mm, ⌀14x1.25HR 6

Bigger gap (3)

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

ILTR6E11

Iridium-Platinum

-

4.2/ 5

.043"25mm, ⌀14x1.25HR 6

PLTR6A-10G

Platinum

3.8/ 5

.039"25mm, ⌀14x1.25HR 6

LTR6IX-11

Copper-Iridium

3.8/ 5

.043"25mm, ⌀14x1.25HR 6

One step colder (2)

Colder spark plugs with same characteristics for moderately tuned engines (75–100 hp increase)

ILTR7Q9

Iridium-Platinum

-

4.2/ 5

.035"25mm, ⌀14x1.25HR 7

ILTR7E9

Iridium-Platinum

-

4.2/ 5

.035"25mm, ⌀14x1.25HR 7