Denso ZXU20HCR8 Spark Plug

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Rating

4.2 / 5 Overall
Denso	ZXU20HCR8
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")	20
Gap	Heat range
⌀12mm	1.25mm
Thread diameter	Thread pitch
26.5mm (1.04")	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

SILZKR6B10E

Iridium-Platinum

4.4/ 5

.039"26.5mm, ⌀12x1.25HR 6

Deep reference (1)

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

IXUH20I

Copper-Iridium

4.3/ 5

.035"26.5mm, ⌀12x1.25HR 20

Bigger gap (1)

0.1..0.3 mm gap increase for better performance given your ignition system can handle it

LZKR6AIX

Copper-Iridium

3.8/ 5

.035"26.5mm, ⌀12x1.25HR 6

One step colder (4)

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

ZXU22HCR8

Iridium-Platinum

-

4.2/ 5

.031"26.5mm, ⌀12x1.25HR 22

ILZKR7D8

Iridium-Platinum

-

4.2/ 5

.031"26.5mm, ⌀12x1.25HR 7

SILZKR7B8E

Iridium-Platinum

-

4.2/ 5

.031"26.5mm, ⌀12x1.25HR 7

PLZKBR7B8DG

Copper-Platinum

3.5/ 5

.031"26.5mm, ⌀12x1.25HR 7