Amp 420 QS138 10t Sprocket - Front

• 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.