NGK BPR4ES-11 Spark Plug

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Rating

2.9 / 5 Overall
NGK	BPR4ES-11
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

1.1mm (.043")	4
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	21mm (13/16")
Reach	Hex size
Gasket	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

One step colder (8)

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

VW16

Iridium-Platinum

4.2/ 5

.043"19mm, ⌀14x1.25HR 16

P16PR11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 16

BPR5EIX-11

Copper-Iridium

3.8/ 5

.043"19mm, ⌀14x1.25HR 5

PGR5A-11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 5

BPR5EP-11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 5

PGR5C-11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 5

BPR5EY-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 5

BPR5ES-11

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 5

Two steps colder (9)

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

VW20

Iridium-Platinum

4.2/ 5

.043"19mm, ⌀14x1.25HR 20

P20PR-S11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 20

P20PR11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 20

P20R11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 20

PGR6A-11

Platinum

3.8/ 5

.043"19mm, ⌀14x1.25HR 6

BPR6EIX-11

Copper-Iridium

3.8/ 5

.043"19mm, ⌀14x1.25HR 6

BPR6EY-11

Copper

3.1/ 5

.043"19mm, ⌀14x1.25HR 6

W20EPR-S11

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 20

BPR6ES-11

Copper

-

2.9/ 5

.043"19mm, ⌀14x1.25HR 6