Yes, I know that and the instructions actually state this.
The zero are for pristine holes in the catridge AFTER ball is removed and the sides are not nicked and MUST be SEALED with tape thereafter. The low clearance plugs are for drilled holes.
The zero are for pristine holes in the catridge AFTER ball is removed and the sides are not nicked and MUST be SEALED with tape thereafter. The low clearance plugs are for drilled holes.