This 4-3/8" stroke 8-1/2" diameter flywheel assembly replaces the original flywheels in 2003-'06 HD® internally balanced big twin engines, increasing the stroke from 4" to 4-3/8". Sprocket shaft has a stock style bearing race pressed on for use with stock roller style sprocket shaft bearing.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2006 | Harley-Davidson | FLST Heritage Softail | Base |
| 2003-2006 | Harley-Davidson | FLSTC Heritage Softail Classic | Base |
| 2003-2006 | Harley-Davidson | FLSTF Fat Boy | Base |
| 2005-2006 | Harley-Davidson | FLSTN Softail Deluxe | Base |
| 2003 | Harley-Davidson | FLSTS Heritage Springer | Base |
| 2003-2006 | Harley-Davidson | FXST Softail Standard | Base |
| 2003-2006 | Harley-Davidson | FXSTB Night Train | Base |
| 2003-2006 | Harley-Davidson | FXSTBI Night Train | Base |
| 2003-2006 | Harley-Davidson | FXSTD Softail Deuce | Base |
| 2003-2006 | Harley-Davidson | FXSTS Springer Softail | Base |
