BBC Dart Head #'s ??

[LDCRS]

Hello As you can see I am new here so I apploogize if this post is not in the right section ?

I have some #'s off of a set of Big Block Chevy Aluminum Dart heads that I am trying to find out exactly what they are so any help would be much appritiated..
There are 2 sets of numbers: 10329CHM9 The next set is under the Dart logo & they are as follows: 599NC1420 , or possibly the fist letter could be a 6 making it 699NC1420 ?? We were told they are 360's but any info would be greatly appritiated..

Thanks in advance !!

[malihoochie]

Call 1-248-362-1188 ask for tech and we can help try to determine what heads you have.

[LDCRS]

Thanks for the reply.. I'm posting this for a buddy on the other coast so I will pass this along..
Scott

[Awesome Bill]

cc the runners and you will find out everything, #'s mean little to nothing if someone has played around.