Champion RL85G Spark Plug

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Rating
Brand	Code
3.3 / 5 Overall
Champion	RL85G
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
4.0 / 5 Design
Flat	Fine Wire
Ground type	Center type

Specifications
Gap	Heat range
0.4mm (.016")	85
⌀14mm	1.25mm
Thread diameter	Thread pitch
12.7mm (1/2")	21mm (13/16")
Reach	Hex size
Gasket	Removable Nut
Seat	Terminal
2	Non-Projected
Ground count	Projection

Cross-reference and alternatives

How we find alternative spark plugs How we rate spark plugs

Cross-reference (2)

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

BR6HIX

Copper-Iridium

3.8/ 5

.031"12.7mm, ⌀14x1.25HR 6

414

Copper

2.9/ 5

.024"12.7mm, ⌀14x1.25HR 5

Deep reference (11)

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

IWF20

Copper-Iridium

4.3/ 5

.031"12.7mm, ⌀14x1.25HR 20

IWF22

Copper-Iridium

4.3/ 5

.031"12.7mm, ⌀14x1.25HR 22

IWF22

Copper-Iridium

4.3/ 5

.031"12.7mm, ⌀14x1.25HR 22

XS4093

Iridium-Platinum

4.2/ 5

.031"12.7mm, ⌀14x1.25HR 4

W20FS-U

Copper

3.3/ 5

.028"12.7mm, ⌀14x1.25HR 20

AP425

Copper-Platinum

3.2/ 5

.030"12.7mm, ⌀14x1.25HR 6

4093

Copper

2.9/ 5

.031"12.7mm, ⌀14x1.25HR 4

W7AC

Copper

2.9/ 5

.024"12.7mm, ⌀14x1.25HR 7

RL86C

Copper

2.9/ 5

.024"12.7mm, ⌀14x1.25HR 86

BR6HSA

Copper

2.9/ 5

.028"12.7mm, ⌀14x1.25HR 6

B6HS

Copper

2.9/ 5

.028"12.7mm, ⌀14x1.25HR 6

Same specs (3)

Products that have identical characteristics that impact interchangability

REL89G

Copper

3.3/ 5

.016"12.7mm, ⌀14x1.25HR 89

RTL85G

Copper

3.3/ 5

.016"12.7mm, ⌀14x1.25HR 85

RL15B

Copper

2.9/ 5

.016"12.7mm, ⌀14x1.25HR 15

Bigger gap (1)

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

REL88B

Copper

2.9/ 5

.020"12.7mm, ⌀14x1.25HR 88