Champion QL57 Spark Plug

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Rating

3.2 / 5 Overall
Champion	QL57
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
3.5 / 5 Design
Standard	Fine Wire
Ground type	Center type

Specifications

0.65mm (.026")	57
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
12.7mm (1/2")	21mm (13/16")
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

BR9HIX

Copper-Iridium

3.8/ 5

.031"12.7mm, ⌀14x1.25HR 9

Deep reference (3)

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

IWF27

Copper-Iridium

4.3/ 5

.031"12.7mm, ⌀14x1.25HR 27

XS4092

Iridium-Platinum

4.2/ 5

.031"12.7mm, ⌀14x1.25HR 2

4092

Copper

2.9/ 5

.031"12.7mm, ⌀14x1.25HR 2

Bigger gap (1)

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

L57C

Copper

2.9/ 5

.031"12.7mm, ⌀14x1.25HR 57