NGK R6601-10 Spark Plug

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Rating

3.2 / 5 Overall
NGK	R6601-10
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
3.5 / 5 Design
Surface Discharge	Standard
Ground type	Center type

Specifications

0.4mm (.016")	10
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	16mm (5/8")
Reach	Hex size
Gasket	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

One step colder (1)

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

R6601-11

Copper

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3.2/ 5

.016"19mm, ⌀14x1.25HR 11