- Tight Fitting Splines
- 2mm additional shoulder for increased spline depth
- Ultimate power holding ability
- Extends the life of the shaft
- 420 Chain Size
Compatibility
ONLY FITS "6-4" Splines (SEE PICTURE)
- Some QS138 v1 & v2
- Some QS120
Please pay special attention to Spline type. No returns if improper spline type is selected.