Champion S63A Spark Plug

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Rating
Brand	Code
3.3 / 5 Overall
Champion	S63A
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
3.8 / 5 Design
Slant	Standard
Ground type	Center type

Specifications
Gap	Heat range
0.65mm (.026")	63
⌀14mm	1.25mm
Thread diameter	Thread pitch
17.5mm (.689")	16mm (5/8")
Reach	Hex size
Tapered	Solid
Seat	Terminal
1	Non-Projected
Ground count	Projection

Cross-reference and alternatives

How we find alternative spark plugs How we rate spark plugs

Same specs (1)

Products that have identical characteristics that impact interchangability

S61A

Copper

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3.3/ 5

.026"17.5mm, ⌀14x1.25HR 61

Two steps colder (1)

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

S55A

Copper

-

3.3/ 5

.026"17.5mm, ⌀14x1.25HR 55