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Installing AFR heads, Do I need this part?? Pics Inside, HELP QUICK!

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Old Jun 7, 2010 | 10:10 PM
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Default Installing AFR heads, Do I need this part?? Pics Inside, HELP QUICK!
When I removed my factory heads on the drivers side there was only one dowl pin type piece in the block on the front side where the last head bolt goes in. There should be 2 correct? the passenger side had 2. But unless i missed something my drivers side only had one in there. I looked everywhere also.
2002 5.7LS1
Where can I find one of these FAST??? I Do need it right?
Installing AFR heads, Do I need this part?? Pics Inside, HELP QUICK!-095image95096.jpg
Installing AFR heads, Do I need this part?? Pics Inside, HELP QUICK!-095image95095.jpg
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Old Jun 7, 2010 | 10:22 PM
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Yes there are 2 on each side of the block. Did you look in the head that came off that side?
Last edited by conan; Jun 8, 2010 at 07:20 AM.
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Old Jun 7, 2010 | 10:45 PM
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Yea, I looked at the head also, no luck. Does anyone know what this part is called exactly? Or have a part number?
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Old Jun 7, 2010 | 11:18 PM
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cyl head dowel. swing by the dealership, i doubt a part store will stock em.
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Old Jun 8, 2010 | 02:05 AM
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^ Winner. Any dealership should have them in stock or be able to get them to you the next day if there is one in town. You'll just probably pay a lot more for it, but at least you'll have it.
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Old Jun 8, 2010 | 06:42 AM
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YES, you need them.

Any GM dealer should be able to acquire you some within a day or 2 if they don't already have some in stock.
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Old Jun 8, 2010 | 08:00 AM
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are you sure it didnt stay in the head when you removed them?
ive seen that before..
but not with LS1 stuff... is it common for them to have left one out at the factory assembly?
(ls1 newb here..)
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Old Jun 8, 2010 | 08:38 AM
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Also, Summit, JEGS...etc. usually carry them.
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Old Jun 8, 2010 | 02:01 PM
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Yea that pin was NOT in there from the factory. after I unbolted the head it slid right off the block on that one side.... I cant believe that went through like that.
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Old Jun 8, 2010 | 02:11 PM
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One of my slipped right out whenever I swapped heads. I traded my 241s for 799s + cash a while ago and didn't notice it was missing. Luckily the guy I was trading with had some pliers to make everything right.
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Old Jun 8, 2010 | 02:51 PM
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6.88$ through the local GM dealership. Crazy, but necessary!
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