Mar 9, 2015 #1 D DarthBuick I Win even in your dreams. Joined Dec 22, 2014 Messages 231 My cylinder heads have numbers stamped on the front. Are these numbers just a standard Buick number. There are two sets of numbers on each head. 15632 and 14375. I am just curious because they are o-ringed and a high quality port job. Thanks
My cylinder heads have numbers stamped on the front. Are these numbers just a standard Buick number. There are two sets of numbers on each head. 15632 and 14375. I am just curious because they are o-ringed and a high quality port job. Thanks
Mar 9, 2015 #2 8 87GNSteve Just another pretty face.... Joined Jan 15, 2004 Messages 3,726 Those aren't factory numbers, they were probably machinist stamped.