NGK CR7EIA-9 Spark Plug

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Rating

4.2 / 5 Overall
NGK	CR7EIA-9
Brand	Code
4.5 / 5 Materials
Platinum	Iridium
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

0.9mm (.035")	7
Gap	Heat range
⌀10mm	1mm
Thread diameter	Thread pitch
19mm (3/4")	16mm (5/8")
Reach	Hex size
Gasket	Threaded Stud
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Same specs (1)

Products that have identical characteristics that impact interchangability

CR7EH-9

Copper

2.9/ 5

.035"19mm, ⌀10x1HR 7

One step colder (5)

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

IMR8C-9H

Iridium-Platinum

-

4.2/ 5

.035"19mm, ⌀10x1HR 8

CR8EIA-9

Iridium-Platinum

-

4.2/ 5

.035"19mm, ⌀10x1HR 8

CR8EIB-9

Iridium-Platinum

-

4.2/ 5

.035"19mm, ⌀10x1HR 8

MR8AI9

Iridium-Platinum

-

4.2/ 5

.035"19mm, ⌀10x1HR 8

CR8EH-9

Copper

2.9/ 5

.035"19mm, ⌀10x1HR 8

Two steps colder (4)

Two steps colder spark plugs with same characteristics for heavily modified engines (150-200 hp increase)

CR9EIB-9

Iridium-Platinum

-

4.2/ 5

.035"19mm, ⌀10x1HR 9

IMR9D-9H

Iridium-Platinum

-

4.2/ 5

.035"19mm, ⌀10x1HR 9

CR9EIA-9

Iridium-Platinum

-

4.2/ 5

.035"19mm, ⌀10x1HR 9

CR9EH-9

Copper

2.9/ 5

.035"19mm, ⌀10x1HR 9