78-85 atc 70 frame 
1.5 inch front stretch
Stock tank mount
Accept my disc brake kit 
Or the jjs machine disc brake kit              https://www.jjsmachine.com/store/p7/Rear_Foot_Brake_Kit.html#/
Specify down style exhaust when ordering the jjs disc brake kit
Kit include 
Frame
Bearings
Bolts 
Seat braket
Grab bar
Decals