NGK CR7EKB 4455 Spark Plug

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Rating

3.3 / 5 Overall
NGK	CR7EKB
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
3.8 / 5 Design
Multi-Ground	Standard
Ground type	Center type

Specifications

0.8mm (.031")	7
Gap	Heat range
⌀10mm	1mm
Thread diameter	Thread pitch
19mm (3/4")	16mm (5/8")
Reach	Hex size
Gasket	Solid
Seat	Terminal
2	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Cross-reference (2)

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

IU22

Copper-Iridium

4.3/ 5

.035"19mm, ⌀10x1HR 22

UR6DE

Copper

2.9/ 5

.028"19mm, ⌀10x1HR 6

Deep reference (7)

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

CR7EIX

Copper-Iridium

3.8/ 5

.031"19mm, ⌀10x1HR 7

PMR7A

Platinum

3.8/ 5

.028"19mm, ⌀10x1HR 7

ZMR7AP

Copper-Platinum

3.5/ 5

.024"19mm, ⌀10x1HR 7

CR7EK

Copper

-

3.3/ 5

.028"19mm, ⌀10x1HR 7

C7E

Copper

2.9/ 5

.031"19mm, ⌀10x1HR 7

CR7E

Copper

2.9/ 5

.031"19mm, ⌀10x1HR 7

CR7EB

Copper

2.9/ 5

.031"19mm, ⌀10x1HR 7

One step colder (1)

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

CR8EKPA

Copper-Platinum

3.6/ 5

.031"19mm, ⌀10x1HR 8

Two steps colder (2)

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

CR9EKPA

Copper-Platinum

3.6/ 5

.031"19mm, ⌀10x1HR 9

CR9EKB

Copper

-

3.3/ 5

.031"19mm, ⌀10x1HR 9