41 A 40 Tooth 4 hole Sprocket 141-D Differential # 786042

Sprocket 41 A 40 Tooth, A style plate. # 786042  6.650" OD

It has Four pre-drilled holes that match the 141-D Differential & the ID.

6.650" OD. 

Black Finish is standard.
Actual weight is: 1.50 lbs