Replacing core plugs

Core plugs are also known as expansion plugs, welch plugs and sealing discs - a point to remember when buying one.

Federal Replacement FDCA6-KD Cylinder Core Plug Fit Any 6 pin

How to remove freeze plugs, core plugs, or whatever you want to call them.

Punto (Mk1) - leaking core plug - gear box side

PERFORMANCE TOOL W89737 Wilmar Frost Plug Installer - Remover, Tools & Equipment - Canada

Replacing core plugs

engine - How to Remove Core Plugs? (aka Freeze Plugs) - Motor

Replacing Core Plugs — Joe's Projects

Core plug weeping - any hope of replacing w/ engine in car? : MGA Forum : The MG Experience

The Penny Dropped - Replacing the Core Plug on the 1933 Austin 7