Description
V-Twin - 11-2209 - 74 inch FLH-FX Piston Set .080 Oversize
Description
Keith Black 390 hypereutectic piston set is .080 oversize and is for 3.438" bore. Pistons have a compression of 9.0:1.
**Note: Run engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears, in order to properly break-in new pistons and rings.
Fits:
- FX 1971-1977
- FL 1941-1977
Additional Information
| UOM | 1 - SET |
| Manufacturer | Keith Black |
| Origin | Imported |
| 2025 Catalog Pages | 525 |
| Replacement Items | 11-1365 - 80" Shovelhead Piston Ring Set .020 |
