I have done some searching but no luck. I heard the first circle with numbers is the year. Would this be a 2000? The head is from a ITR (PR3-4).



Sorry for the fuzzy pic.

To clarify what the numbers are:

blank / 2
blank / 5
2 / 0
0 / 6 (or 9 / 0 if upside down)



Modified by 1990crxsir at 6:05 PM 7/14/2006

 

1990

 

I thought it was the number on the left?

Here is the full size pic.

 

looks like a 92, take a pic with valve cover off

 

looks like a 90