Core plugs for 8 cyl block

pmlmbigpondcom

G'day All

Can someone please tell me what is used to seal ( on the side of the block ) the several small core holes leading to the cam bearings These holes are around quarter inch / 6mm diameter

Thanks

phil

bob ward

They appear to be a stainless steel cup type welsh plug, don't know if they are an industry standard or a Hudson special. 

pmlmbigpondcom

G,day All
Any other suggestions, or sources for said plugs.?
thanks Bob
phil

bob ward

These guys seem to offer a 1/4" cup type welsh plug
https://www.ebay.com.au/itm/Cup-Core-Plug-Plated-Size-from-1-4-6-35mm-through-to-1-25-4mm/150610245935?hash=item231111f92f:m:me40cLGV4WNCmkjxIApp7fA

pmlmbigpondcom

Thanks Bob, currently travelling so not too much access to web
thx again
Phil