Champion S63YC Spark Plug

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Rating

3.3 / 5 Overall
Champion	S63YC
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
3.8 / 5 Design
Cut Back	Standard
Ground type	Center type

Specifications

0.65mm (.026")	63
Gap	Heat range
⌀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

Cross-reference (1)

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

R5724-8

Copper

3.1/ 5

.020"18mm, ⌀14x1.25HR 8

Deep reference (5)

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

IT24

Copper-Iridium

4.3/ 5

.031"17.5mm, ⌀14x1.25HR 24

C61

Copper

3.5/ 5

.026"19mm, ⌀14x1.25HR 61

S61YC

Copper

-

3.3/ 5

.026"17.5mm, ⌀14x1.25HR 61

AR474

Copper

-

3.3/ 5

.024"17.5mm, ⌀14x1.25HR 3

AR94

Copper

-

3.3/ 5

.024"17.5mm, ⌀14x1.25HR 4

Same specs (1)

Products that have identical characteristics that impact interchangability

S61YC

Copper

-

3.3/ 5

.026"17.5mm, ⌀14x1.25HR 61

One step colder (1)

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

S59YC

Copper

-

3.3/ 5

.026"17.5mm, ⌀14x1.25HR 59