NGK R7437-8 Spark Plug

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NGK R7437-8 image

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Rating
Brand	Code
3.8 / 5 Overall
NGK	R7437-8
4.0 / 5 Materials
Copper	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications
Gap	Heat range
0.7mm (.028")	8
⌀14mm	1.25mm
Thread diameter	Thread pitch
26.5mm (1.04")	16mm (5/8")
Reach	Hex size
Gasket	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

How we find alternative spark plugs How we rate spark plugs

Cross-reference (1)

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

IKH24

Copper-Iridium

4.3/ 5

.031"26.5mm, ⌀14x1.25HR 24

One step colder (1)

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

R7437-9

Copper-Iridium

-

3.8/ 5

.028"26.5mm, ⌀14x1.25HR 9