Join Date: Feb 2002
Location: N.W. Washington
definately world products heads. they look like my old sr torquers that i had, but they had "SR" cast in them if i remember correct. as bill suggested, talk to world, they can probably help. but it seems to me i really had no serial numbers on my sr's, just the "W" and the "sr". there are really only a handfull of heads they could be i believe, since world doesnt do a ton of cast iron heads.
good luck with them
1968 rs with an old school 354" SB2.2 pump gas motor.
Repetition does not transform a lie into a truth.
Franklin D. Roosevelt