Fel-Pro part number
FS7391 S-4
The FS denotes " Full Set " which includes the oil pan and timing cover gaskets that you need. HS is a " Head Set " which only includes the upper gaskets, valve cover, side pan, head gasket, etc.
Fits
228 engine 39-53
236 42-46
248 39-55
270 39-62

There is also another number on the box 30558

Your local parts guy should be able to order Fel-Pro Gaskets..

Bill M
53 GMC Hydra-Matic

Home Page
http://home.comcast.net/~bd97/index.html

When you argue with a fool, two fools are arguing..