1. 

   savage 70 New Member

   I located my cylinder head serial number. I just dont know where to find what year the heads are. My block has the SF code that means 1970. Could anyone tell me what year the heads are and what heads are compatible with what year of blocks?

    

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   savage 70, Apr 14, 2006

   #1
2. 

   DaWildcat Platinum Level Contributor

   Looks like 1242445 is a 1972 455 head.
   
   Here's some more info on compatibility:
   
   http://www.buicks.net/shop/reference/400-455_differences.html
   http://www.v8buick.com/showthread.php?t=75074&
   
   Devon

    

   DaWildcat, Apr 14, 2006

   #2

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