| Below is a cross-reference list of spark plugs for use in most Harley models. While the motor company only recommends use of their original equipment Harley brand spark plugs, the other brands often exceed original specification and will not void your warranty. NGK and Autolite among others have always been a preferred performance plug for Harley motorcycles. In addition it is often more convenient to use aftermarket spark plugs aside from the enhanced performance. All sparkplugs listed meet or exceed manufacturer specifications. |
| Spark Plug Brand |
Twin Cam 88″ / 96″ |
V-Rod | EVO 1340 80″ | XL Sportster 883/1200 |
XL Sportster 1100 |
XR 1000 |
|---|---|---|---|---|---|---|
| H-D Standard | 6R12 | 10R12A | 5R6A | 6R12 | 4R5 | 6R7 |
| H-D Gold | 6R12G | 10R12AG | 5R6AG | 6R12G | 4R5G | |
| H-D Platinum | 6R12PP | 10R12APP | 5R6APP | 6R12PP | XL10S | |
| Screamin’ Eagle | EX12S | EVS13S | EX12S | 2402 | ||
| ACCEL | Y2418P | 2410A | Y2418P | |||
| AC Delco | 121XLS | R44NS | 42F/42-6FS | |||
| Autolite | 4164 | 4133 | 4265 | 4164 | 996 | |
| Autolite Iridiuim | XS4164 | XS65 | XS4164 | |||
| Autolite Platinum | AP4164DP2 | AP4265DP2 | AP4164DP2 | |||
| Bosch / Platinum | YR6LDE | X4CS | WR8DP | YR6LDE | W5AC | WR8DP |
| Champion | RA8HC | RAX94YC | RN12YC | RA8HC | RL82YC | RN7YC |
| Denso Iridium | IXU22 | IXU24 | IW16 | IXU22 | IWF22 | IW22 |
| NGK | DCPR7E | DCPR8E | BPR5ES-11 | DCPR7E | B6HS | B7EB |
| NGK Iridium | DCPR7EIX | DCPR8EIX | BPR5EIX-11 | DCPR7EIX | ||
| NGK Platinum | BPR5EVX11 | |||||
| Splitfire | SF416D | SF416B | SF6D | SF416D | SF21F | SF6B |
| Harley Spark Plug Cross-Reference |
XL Sportster 1000 |
XL Sportster 900 |
Shovelhead 1975-1981 |
Shovelhead 1982-1984 |
Panhead/Shovel 1947-1974 |
|---|---|---|---|---|---|
| H-D Standard | 4R5 | 4R5 | 5R6A | 5RL | 4R or 4R5 |
| H-D Gold | 4R5G | 4R5G | 5R6AG | 5R6AG | 4R5G |
| H-D Platinum | XL10S | XL10S | 5R6APP | 5R6APP | – |
| Screamin’ Eagle | 2413 | EVS13S | SH13S | SH12S | |
| ACCEL | – | – | 2410A | 2417 | – |
| AC Delco | 42F/42-6FS | 42F/42-6FS | 44NS/44XLS | 44NS/44XLS | – |
| Autolite | 4123 | 4265 | 2585 | – | |
| Autolite Platinum | – | – | AP4265DP2 | – | – |
| Bosch / Platinum | W5AC | W5AC | WR8DC4 | WR8DC4 | – |
| Champion | RL82YC | RL82YC | RN12YC | RN13LYC | – |
| Denso Iridium | IWF22 | IWF22 | IW16 | IW16 | IWF22 |
| NGK | B6HS | B-6L | BPR5ES-11 | BPR5ES-11 | – |
| NGK Iridium | – | – | BPR5EIX-11* | – | – |
| Splitfire | SF412C | SF426E | SF98E | – |
*Not for use with point ignitions. Iridium plugs should only be used with electronic ignitions.
Visit CV Performance for Harley NGK, Champion, and Autolite spark plugs.
Enjoy the Ride!