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Old 10-31-2014, 10:14 AM   #1
Fla Grown
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Where to buy stock replacement piston

Does anyone know where I can buy a stock replacement piston for my 250 6 cyl? I tried NAPA and Advanced Auto Parts but no luck.
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Old 10-31-2014, 10:24 AM   #2
chevy_mike
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Re: Where to buy stock replacement piston

I had a local machine shop order mine but you can get them off Summit Racing.

http://www.summitracing.com/search/p...6%2B4294949232

Moving this into the Engine forum.
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Old 10-31-2014, 10:44 AM   #3
Fla Grown
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Re: Where to buy stock replacement piston

Thanks Mike! Is it the Sealed Power 403P part #?
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Old 10-31-2014, 08:24 PM   #4
VonDog
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Re: Where to buy stock replacement piston

If you need just one, make sure the new one is weighted the same. I couldn't find one that was weighted even close so I had to replace all the pistons.
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Old 11-02-2014, 11:05 AM   #5
Fla Grown
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Re: Where to buy stock replacement piston

I was planning on only replacing the damaged one but didn't realize the weight issue. I can replace all of them just need to know what the stock measurements is or a part # so I can order them.
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Old 11-02-2014, 11:37 AM   #6
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Re: Where to buy stock replacement piston

Quote:
Originally Posted by Fla Grown View Post
I was planning on only replacing the damaged one but didn't realize the weight issue. I can replace all of them just need to know what the stock measurements is or a part # so I can order them.
You will definitely want to contact a machine shop. Get the piston weighed and see if they can get you something that weighs the same. Pistons can have huge differences in weight. It will be measured in grams and without measuring what you have there is no real way to know.
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Old 11-05-2014, 01:16 PM   #7
Fla Grown
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Re: Where to buy stock replacement piston

Looks like I am heading tward a full rebuild. We will be pulling the motor tomorrow, ordering parts and off to the machine shop.
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Old 11-05-2014, 08:35 PM   #8
Warrens69GMC
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Re: Where to buy stock replacement piston

You might want to get 307 flattop pistons instead.
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