Champion C63HX Spark Plug

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Rating

3.3 / 5 Overall
Champion	C63HX
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
3.8 / 5 Design
Cut Back	Standard
Ground type	Center type

Specifications

0.75mm (.030")	63
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
19mm (3/4")	16mm (5/8")
Reach	Hex size
Gasket	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

Same specs (1)

Products that have identical characteristics that impact interchangability

C61HX

Copper

-

3.3/ 5

.030"19mm, ⌀14x1.25HR 61

Bigger gap (3)

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

C61HCX

Copper

-

3.3/ 5

.035"19mm, ⌀14x1.25HR 61

C63CX

Copper

-

3.3/ 5

.035"19mm, ⌀14x1.25HR 63

C61CX

Copper

-

3.3/ 5

.035"19mm, ⌀14x1.25HR 61

One step colder (1)

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

C59HX

Copper

-

3.3/ 5

.030"19mm, ⌀14x1.25HR 59

Two steps colder (1)

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

C55HX

Copper

-

3.3/ 5

.030"19mm, ⌀14x1.25HR 55