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.

 

What part number is on the inside of the piston?? If it is 583967, I have them

 

Numbers are 573315. Still looking.

 

Still need 2 of them.

 

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.

 

PM sent

 

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.

 

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

 

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.

 

Hello
The number on the inside of the pistons is 573315
call me if you can use them 952-475-0153


jim

 

Those are what I need, will be calling you.

 

I need the 381423 pistons