Denso IRL01-31 Spark Plug

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Rating

4.5 / 5 Overall
Denso	IRL01-31
Brand	Code
4.5 / 5 Materials
Platinum	Iridium
Ground electrode	Center electrode
4.5 / 5 Design
Slant	Fine Wire
Ground type	Center type

Specifications

1.1mm (.043")	31
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
21mm (.827")	21mm (13/16")
Reach	Hex size
Gasket	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Bigger gap (1)

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

R7440A-10L

Iridium-Platinum

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4.5/ 5

.047"21mm, ⌀14x1.25HR 10