Bill: I don't know what an 848 head is.
I have a 1954 235 c.i. 6 cyl Chev motor for sale.
Needs rebuild. It's complete as taken out of my panel
with all accessories, bell housing,
clutch, pressure plate, T.O. bearing, fuel pump, carb,
water pump, fan, starter, generator.
PM me if interested.
Jerry

1 1951 Chev Panel with a 350 small block, automatic tranny.
1 2004 Chev 2500 HD pickup... stock
1 1950 Chev 5 window pickup; 261 c.i. engine, 4 on the floor.

With lots of time and money, any Stovebolt can be restored.