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Main : Misc : Tech Section Forged 77mm pistons

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Forged 77mm pistons
Forged 77mm pistonsPopular
SubmitterddgonzalMore Photos from ddgonzal   Last Update2006/3/4 6:06    Tell a friendTell a friend
Hits4155  Comments6    0.00 (0 votes)0.00 (0 votes)
Arias brand, probably for an A14

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The comments are owned by the poster. We aren't responsible for their content.

Poster Thread
Dodgeman
Posted: 2006/3/5 2:48  Updated: 2006/3/5 2:48
No life (a.k.a. DattoMaster)
Joined: 2003/6/27
From: Southern Tablelands N.S.W. Australia
Posts: 8287
 Re: Forged 77mm pistons
Tell us more. Ebay? Catalogue? Other?

Poster Thread
ddgonzal
Posted: 2006/3/5 3:20  Updated: 2006/3/5 3:20
Moderator
Joined: 2001/5/3
From: 48 North
Posts: 31656
 Re: Forged 77mm pistons
They are for sale on Yahoo Auctions Japan. However, Arias is a California company ,and they make custom pistons to order.

Poster Thread
2332owner
Posted: 2006/3/5 13:27  Updated: 2006/3/5 13:27
No life (a.k.a. DattoMaster)
Joined: 2003/5/5
From: Okinawa, Japan
Posts: 1292
 Re: Forged 77mm pistons
And these are for an A12

Poster Thread
ddgonzal
Posted: 2006/3/5 18:10  Updated: 2006/3/5 18:10
Moderator
Joined: 2001/5/3
From: 48 North
Posts: 31656
 Re: Forged 77mm pistons
How can you tell? It seems like you couldn't bore out most A12 blocks this big.

Poster Thread
qik1000
Posted: 2006/3/6 2:29  Updated: 2006/3/6 2:29
Home away from home
Joined: 2005/1/12
From: Newcastle (NSW)
Posts: 536
 Re: Forged 77mm pistons
They look heavy. What do they weigh?
what are those two holes on underneath each piston pin boss??

Poster Thread
ddgonzal
Posted: 2006/3/6 5:10  Updated: 2006/3/6 5:10
Moderator
Joined: 2001/5/3
From: 48 North
Posts: 31656
 Re: Forged 77mm pistons
I don't know, as they were just a pic on the auction site. Arias is famous for drag racing pistons. These 77s look heavy enough for high-boost supercharging.

They look a lot heavier than stock pistons:

76 mm pistons
I actually have these pistons, they are approximately 270 grams each.