Need 2 394 cu in Flat Top Pistons

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Old February 14th, 2015 | 06:24 PM
  #1  
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Talking Need 2 394 cu in Flat Top Pistons

Rebuilding a 1961 Olds 394 cu in motor & am in need of 2 original flat top pistons. Piston number=573315. Pm me if you can help. Thanks.

Last edited by toyolet23; February 15th, 2015 at 12:05 PM.
Old February 15th, 2015 | 11:13 AM
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What part number is on the inside of the piston?? If it is 583967, I have them
Old February 15th, 2015 | 12:09 PM
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Numbers are 573315. Still looking.
Old February 23rd, 2015 | 06:22 PM
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Still need 2 of them.
Old March 2nd, 2015 | 08:43 PM
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I have 2 original 394 flat tops with #381423 cast inside. They came with a bunch of parts 62 Starfire parts I got. They're definitely o.e. GM.
Old March 3rd, 2015 | 12:06 PM
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PM sent
Old March 4th, 2015 | 03:16 PM
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PM replied, email sent.
Pics attached

EDIT: For future reference, the first 2 pistons are NOT what the OP needs. His pistons are completely flat on the top. No valve reliefs, nub or anything else. I added the pic he sent me. He's looking for pistons like the one in the last photo.
Attached Images
File Type: jpg
IMG_1286.JPG (60.8 KB, 26 views)
File Type: jpg
IMG_1291.JPG (59.5 KB, 23 views)
File Type: jpg
craigslist 004.JPG (121.3 KB, 28 views)

Last edited by copper128; March 4th, 2015 at 06:39 PM.
Old March 4th, 2015 | 06:22 PM
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61 pistons

Hello
I am Rebuilding 61 starfire and am rebuilding the motor
I had to replace the pistons I will check and if the are the same.
my motor is 394 10:25 to 1 330 hp your should be 10:00 to 1
and 325 hp if they work you can have them




jim
Old March 4th, 2015 | 06:41 PM
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The pistons I need are completely flat on top no indentations. Will try & post a couple of pics. jminor1961 I am interested as long as they are flat tops. Don't know how this happened but one of my piston pics ended up in copper128 attachments above it is the third one, top of piston is completely flat Thanks copper128 for posting as I can't get my pics to upload.

Last edited by toyolet23; March 4th, 2015 at 06:50 PM.
Old March 5th, 2015 | 02:36 PM
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Hello
The number on the inside of the pistons is 573315
call me if you can use them 952-475-0153


jim

Last edited by jminor1961; March 5th, 2015 at 02:40 PM.
Old March 5th, 2015 | 03:07 PM
  #11  
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Those are what I need, will be calling you.
Old March 24th, 2016 | 01:29 PM
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381423 Pistons

Originally Posted by copper128
PM replied, email sent.
Pics attached

EDIT: For future reference, the first 2 pistons are NOT what the OP needs. His pistons are completely flat on the top. No valve reliefs, nub or anything else. I added the pic he sent me. He's looking for pistons like the one in the last photo.
I need the 381423 pistons
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