Champion C63Y Spark Plug

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Rating
Brand	Code
3.5 / 5 Overall
Champion	C63Y
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
4.5 / 5 Design
Cut Back	Fine Wire
Ground type	Center type

Specifications
Gap	Heat range
0.75mm (.030")	63
⌀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

How we find alternative spark plugs How we rate spark plugs

Cross-reference (1)

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

BKR7E

Copper

3.1/ 5

.035"19mm, ⌀14x1.25HR 7

Deep reference (9)

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

IK22

Copper-Iridium

4.3/ 5

.031"19mm, ⌀14x1.25HR 22

XS3922

Iridium-Platinum

4.2/ 5

.039"19mm, ⌀14x1.25HR 1

C65YC

Copper

3.3/ 5

.026"19mm, ⌀14x1.25HR 65

K22PR-U

Copper

3.3/ 5

.031"19mm, ⌀14x1.25HR 22

FR5DC

Copper

2.9/ 5

.031"19mm, ⌀14x1.25HR 5

C63YC

Copper

2.9/ 5

.026"19mm, ⌀14x1.25HR 63

RC7YC

Copper

2.9/ 5

.035"19mm, ⌀14x1.25HR 7

RC7YC3

Copper

2.9/ 5

.030"19mm, ⌀14x1.25HR 7

3922

Copper

2.9/ 5

.039"19mm, ⌀14x1.25HR 1

Same specs (2)

Products that have identical characteristics that impact interchangability

C61Y

Copper

3.5/ 5

.030"19mm, ⌀14x1.25HR 61

QC61YC

Copper

3.3/ 5

.030"19mm, ⌀14x1.25HR 61

One step colder (2)

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

C59Y

Copper

3.5/ 5

.030"19mm, ⌀14x1.25HR 59

QC59YC

Copper

3.3/ 5

.030"19mm, ⌀14x1.25HR 59