Head ?

[DART71]

I know this has been covered, I just couldn't find the post again, I picked up a 340 block with a set of heads, I'm having a hard time finding what type of heads these are, I thought it was stamped by the spark plugs! Thanks for any info, I'm new with motors!

 

[earthmover]

whats the casing # that are in the heads????should be by the valve springs...then you can know what you have...

 

[moparlover]

casting number listing so you can look them up!

http://www.cowtownmopars.com/CastingNumbers.html#head

 

[DART71]

great! thanks for the responses and for the link! found them! 68-69 273,68-74 318! one more question, what would these be j? thanks again

 

[moparlover]

J and X heads have bigger valves i think

here is a writeup:

http://www.houstonmopars.org/heads.html

 

[DART71]

awsome!
thanks
Jason