NGK LMAR8GI-8 92729 Spark Plug

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Rating

3.8 / 5 Overall
NGK	LMAR8GI-8
Brand	Code
4.0 / 5 Materials
Copper	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

0.8mm (.031")	8
Gap	Heat range
⌀10mm	1mm
Thread diameter	Thread pitch
26.5mm (1.04")	14mm (9/16")
Reach	Hex size
Gasket	Threaded Stud
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Bigger gap (4)

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

LMAR8A-9

Copper

2.9/ 5

.035"26.5mm, ⌀10x1HR 8

LMAR8C-9

Copper

2.9/ 5

.035"26.5mm, ⌀10x1HR 8

LMAR8F-9

Copper

2.9/ 5

.035"26.5mm, ⌀10x1HR 8

LMAR8A-9S

Copper

2.9/ 5

.035"26.5mm, ⌀10x1HR 8

One step colder (2)

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

LMAR9AI-8

Iridium-Platinum

4.2/ 5

.031"26.5mm, ⌀10x1HR 9

LMAR9AI-8D

Copper-Iridium

-

3.8/ 5

.031"26.5mm, ⌀10x1HR 9