Champion 871-1 Spark Plug

View on

Verify with Amazon ConfirmedFit before buying

Rating

2.9 / 5 Overall
Champion	871-1
Brand	Code
3.0 / 5 Materials
Copper	Copper
Ground electrode	Center electrode
2.8 / 5 Design
Standard	Standard
Ground type	Center type

Specifications

0.75mm (.030")	8
Gap	Heat range
⌀14mm	1.25mm
Thread diameter	Thread pitch
9.5mm (3/8")	21mm (13/16")
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

841-1

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 8

One step colder (3)

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

RJ6C

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

823-1

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

J6C

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 6

Two steps colder (2)

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

J4C

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 4

825C

Copper

-

2.9/ 5

.030"9.5mm, ⌀14x1.25HR 4