you can simply remove that plug drain the case and then you are ready to go

Nuts and locks replace originals on Big Twins 1930-57

Reproduction of an original Harley axle wrench found in original tool kits

Thread: 11/16”-24 On The Cap / 3/4”-18 On The Petcock Adapter

-Measures approximately 20" L x 11" W x 8 1/2" T

Lowbrow Customs Adjustable Cargo Net - 15 x 15 inch Thread Size_6MM you can simply remove thatIf you enjoy riding places and moto camping then you will find this is a useful little item! Strap gear, helmets, 30 packs of beer, or whatever you need to your bike easily, and when done it is small and easy to tuck into a pocket or elsewhere in your gear. This Adjustable Cargo Net is constructed with 4" x 4" mesh, and features 6 ABS plastic adjustable hooks to secure the net to your bike. The net measures 15" x 15".