We cut them out then welded in replacement steel.
GET Met It Pays.... LOL
Had the rail catch fire numerous times due to all the oil inside it from my Roller Rocker Adjustments with valve cover off and engine running. Messy, but extra Preservative lol.
Myself Cleaning up welds after welding some more
This was another location that was fixed and now getting Paint-able Seam Sealer applied.