Don't Cha just hate when ya blow out a head gasket .. ??
Well, there is somewhat of a cure for that ...
https://scontent-mia3-1.xx.fbcdn.net...4a&oe=5F930011
By machining a .003" to .004" step onto the jug head gasket surfaces will net a bit more crush on a fire-ring head gasket ...
I call this "Poor Boys O-Ringing"
S&S has been making their Shovel cylinders like this for many years ..
And the way I got it figured, who better to copy from .. !!
These jugs are Oem 80 inch Shovel's from the first run of em ..
