| Harley-Davidson Engine
Performance Spark
Plugs |
Performance
and Technical information on spark plugs for
Harley-Davidson motorcycles.
 |
V-Twin Café provides a spark plug application and interchange chart for Harley-Davidson
motorcycles, including Twin Cam, Evolution, Shovelhead and Sportster
engines
Spark Plugs for
Twin Cam Engines
| Plug Manufacturer |
TC88/95
Engine |
| Plug
Gap |
.040" |
| H-D Standard |
6R12 |
| H-D Gold |
6R12G |
| H-D Platinum |
6R12PP |
| Champion |
RA8HC |
| Autolite |
4164 |
| Autolite Platinum |
AP4164DP2 |
| ACCEL |
2418
Y2418P |
| Splitfire |
SF416D |
| Screamin Eagle |
EX12S
EX12P |
| ACDelco |
|
| NGK |
DCPR7E |
| Bosch |
|
| Denso
Iridium |
IXU22 |
|
Spark Plugs for
80 CID Evolution Engine
| Plug Manufacturer |
80 CID Evolution 1984-up |
| Plug
Gap |
.040" |
| H-D Standard |
5R6A |
| H-D Gold |
5R6AG |
| H-D Platinum |
5R6APP |
| Champion |
RN12YC |
| Autolite |
4265 |
| Autolite Platinum |
AP4265DP2 |
| ACCEL |
2410A |
| Splitfire |
SF6D |
| Screamin Eagle |
EVS13S - Hot
EVS13P - Cold |
| ACDelco |
44NS |
| NGK |
BPR5ES-11 |
| NGK
Platinum |
BPR5EVX-11 |
| Bosch |
WR8D
WR8DC
WR8DP |
| Denso
Iridium |
IW16 |
|
Spark Plugs for
Sportster Engines
| Plug Manufacturer |
Sportster 86-up
Evolution Engine |
Sportster 80-85 |
Sportster 72-79 |
| Plug
Gap |
.040" |
.040" |
.040" |
| H-D Standard |
6R12 |
4R5 |
4-5 |
| H-D Gold |
6R12G |
4R5G |
4R5G |
| H-D Platinum |
6R12PP |
|
|
| Champion |
RA8HC |
RL82YC |
H8C |
| Autolite |
4164 |
4123 |
996 |
| Autolite Platinum |
AP4164DP2 |
|
|
| ACCEL |
2418
Y2418P |
2413 |
2402 |
| Splitfire |
SF416D |
SF21F |
SF21F |
| Screamin Eagle |
EX12S
EX12P |
XL10S |
XL10S |
| ACDelco |
|
|
|
| NGK |
DCPR7E |
|
|
| Bosch |
|
|
|
| Denso
Iridium |
IWU22
IX24B |
|
IWF22 |
|
Spark Plugs for
Shovelhead Engines
| Plug Manufacturer |
Shovelhead 82-84 |
Shovelhead 80-81 |
Shovelhead 78-79 |
Shovelhead 75-80 |
| Plug
Gap |
.040" |
.040" |
.040" |
.040" |
| H-D Standard |
5RL |
5R6A |
5A6A |
5R6A |
| H-D Gold |
5R6AG |
5R6AG |
5R6AG |
5R6AG |
| H-D Platinum |
5R6APP |
5R6APP |
5R6APP |
5R6APP |
| Champion |
RN13LYC |
RN12YC |
N12YC |
RN12YC |
| Autolite |
2585 |
4265 |
4265 |
4265 |
| Autolite Platinum |
|
AP4265DP2 |
AP4265DP2 |
AP4265DP2 |
| ACCEL |
2417 |
2410A |
2403A |
2410A |
| Splitfire |
SF426E
TP6E |
SF6D |
SF6D |
SF6D |
| Screamin Eagle |
EVS13S - Hot
EVS13P - Cold |
EVS13S - Hot
EVS13P - Cold |
EVS13S - Hot
EVS13P - Cold |
EVS13S - Hot
EVS13P - Cold |
| ACDelco |
|
|
|
|
| NGK |
ZGR5C-11
|
BPR5ES-11 |
BPR5ES-11 |
BPR5ES-11 |
| NGK
Platinum |
|
BPR5EVX-11 |
BPR5EVX-11 |
BPR5EVX-11 |
| Bosch |
|
|
|
|
|
|
|
| |
|
