Disc Brake Rotor Dimensions 8.875" dia. x 0.179" for SMC differentials

Disc Brake Rotor Dimensions are: 8.875" dia. x 0.179"

These fit SMC Brand differential hubs with 4 or 6 holes pattern with the black oxide coating on the axles with 1-14 threaded ends. 

This does NOT fit the Peerless brand differentials as the bolt pattern is different.

Actual weight 2.85 lbs