Normally that kind of plug sits against a shoulder, such as the regular plugs in the block do. To remove them I take a sharp punch, poke a hole in it and lever it out. You may want to drill a hole in the center and then lever it out.


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!