NGK KR9CI Spark Plug

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Rating

4.2 / 5 Overall
NGK	KR9CI
Brand	Code
4.5 / 5 Materials
Platinum	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

0.8mm (.031")	9
Gap	Heat range
⌀12mm	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

Cross-reference (1)

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

IXU27

Copper-Iridium

4.3/ 5

.035"19mm, ⌀12x1.25HR 27

Deep reference (4)

A second level of cross-reference: if A=B and B=C, then A=C

IKR9F8

Iridium-Platinum

-

4.2/ 5

.031"19mm, ⌀12x1.25HR 9

DCPR9EIX

Copper-Iridium

3.8/ 5

.031"19mm, ⌀12x1.25HR 9

RA59PP

Platinum

3.6/ 5

.026"19mm, ⌀12x1.25HR 59

DCPR9E

Copper

2.9/ 5

.035"19mm, ⌀12x1.25HR 9