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NGK R6021E-8 Spark Plug

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NGK R6021E-8 image
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Rating
3.2 / 5
Overall
NGKR6021E-8
BrandCode
3.0 / 5
Materials
CopperCopper
Ground electrodeCenter electrode
3.5 / 5
Design
StandardFine Wire
Ground typeCenter type
Specifications
0.65mm (.026")8
GapHeat range
⌀14mm1.25mm
Thread diameterThread pitch
19mm (3/4")21mm (13/16")
ReachHex size
GasketSolid
SeatTerminal
1Non-Projected
Ground countProjection

Cross-reference and alternatives

How we find alternative spark plugs How we rate spark plugs

Cross-reference (1)

Alternative spark plugs found in cross-reference docs provided by manufacturers
Copper-Iridium
4.3/ 5
.028"19mm, ⌀14x1.25HR 24

Deep reference (24)

A second level of cross-reference: if A=B and B=C, then A=C
Iridium-Platinum
4.2/ 5
.031"19mm, ⌀14x1.25HR 4
Copper-Iridium
4.0/ 5
.031"19mm, ⌀14x1.25HR 8
Copper-Platinum
3.9/ 5
.024"19mm, ⌀14x1.25HR 3
Copper-Platinum
3.9/ 5
.024"19mm, ⌀14x1.25HR 4
Copper-Iridium
3.8/ 5
.031"19mm, ⌀14x1.25HR 8
Copper-Iridium
3.8/ 5
.031"19mm, ⌀14x1.25HR 8
Copper-Silver
3.5/ 5
.024"19mm, ⌀14x1.25HR 3
Copper-Silver
3.5/ 5
.024"19mm, ⌀14x1.25HR 4
Copper-Gold-Palladium
3.4/ 5
.026"19mm, ⌀14x1.25HR 8
Copper-Gold-Palladium
3.4/ 5
.026"19mm, ⌀14x1.25HR 8
Copper
-
3.2/ 5
.024"19mm, ⌀14x1.25HR 8
Copper
-
3.2/ 5
.024"19mm, ⌀14x1.25HR 8
Copper
3.1/ 5
.031"19mm, ⌀14x1.25HR 8
Copper
2.9/ 5
.020"19mm, ⌀14x1.25HR 3
Copper
2.9/ 5
.031"19mm, ⌀14x1.25HR 8
Copper
2.9/ 5
.031"19mm, ⌀14x1.25HR 8
Copper
2.9/ 5
.031"19mm, ⌀14x1.25HR 8
Copper
2.9/ 5
.031"19mm, ⌀14x1.25HR 8
Copper
2.9/ 5
.043"19mm, ⌀14x1.25HR 8
Copper
2.9/ 5
.024"19mm, ⌀14x1.25HR 3
Copper
2.9/ 5
.031"19mm, ⌀14x1.25HR 4
Copper
2.9/ 5
.026"19mm, ⌀14x1.25HR 3
Copper
2.9/ 5
.026"19mm, ⌀14x1.25HR 6
Copper
2.9/ 5
.026"19mm, ⌀14x1.25HR 6

Two steps colder (1)

Two steps colder spark plugs with same characteristics for heavily modified engines (150-200 hp increase)
Copper
-
3.2/ 5
.026"19mm, ⌀14x1.25HR 10