Description
V-Twin - 10-1640 - 1937 Knucklehead Head Set
Description
1937 Knucklehead head set is accurately cast with the original factory markings for the 61" models and features a black finish. The heads include 61" intake nipples that are installed.
Uses 1-3/8" large hex 18mm plugs. *NOTE: Valve seats are installed.
Fits:
- EL 1937-1939
Additional Information
| UOM | 1 - SET |
| Manufacturer | Motortechnic |
| Origin | Imported |
| 2025 Catalog Pages | 515 |
| Tech Note | Suggested to use with #49-0878 18mm Doering Spark Plug Set. |