This is a pic of my 358WC R3 9.00" deck block. This block has a 4.200" bore. The pic is not that good but the steam holes are there between all cylinders.

5420610-421001.jpg (444 downloads)
Last edited by Leon441; 08/16/09 11:13 AM.
Career best 8.02 @ 169 at 3050# and 10" tires small block power.