While I was tearing down the top end to redo head gaskets and stuff, I broke a few of these bolts and no matter where I look, I can't seem to find replacements for them anywhere.
Shame really, They look really nice, I'd hate to replace them with some boring old hex bolts.

might want to check the mall--someone parting out a car--probly get some there

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Pat Jones

ARP makes stainless steel screws/bolts in an array of sizes that are available with 12 point heads. They are sold in packages of five, they are not cheap, but they would be a perfect replacement:


Go to http://arp-bolts.com/ and click on the catalog on the main page. You will want to start on page 86 of the catalog. Oh you should also know the size and length of the screws you need. These can be purchased from Summit or Jegs.

PM sent

I think I have a full set, PM me if interested

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"Because in a split second, It's gone"
Ayrton Senna

If Ponnari can't help you out, I have several sets of these too.

[This message has been edited by mrfiero (edited 07-02-2016).]

quote Originally posted by Killerdude: While I was tearing down the top end to redo head gaskets and stuff, I broke a few of these bolts...

I'm kind of curious... how the heck did you break them?

quote Originally posted by Patrick: I'm kind of curious... how the heck did you break them?

Well, Looking at some of the bolts I didn't break, they were all gummed up with dirt or something, Most bolts I got out the WD40 didn't get down cause of the dirt, At least thats why I'm thinking they broke.

quote Originally posted by Killerdude: Looking at some of the bolts I didn't break, they were all gummed up with dirt or something, Most bolts I got out the WD40 didn't get down cause of the dirt...

So they broke simply trying to loosen them? That's kind of a surprise, because those particular bolts aren't required to be tightened all that much. Might've been corrosion I suppose.

And just so you know, regular WD-40 is a rather poor penetrating oil. Some info Here.

[This message has been edited by Patrick (edited 07-02-2016).]

quote Originally posted by Patrick: So they broke simply trying to loosen them? That's kind of a surprise, because those particular bolts aren't required to be tightened all that much. Might've been corrosion I suppose. And just so you know, regular WD-40 is a rather poor penetrating oil. Some info Here.

When I pulled the good bolts that didn't break, They came out with a LOT of dust/dirt looking stuff, Like a very, very, very fine sand, It was gummed up in the threads of the bolts and the holes they sat in. I've been finding a lot of bolts like that on other parts of the car dropping the cradle. Never seen corrosion like that, if thats what it is.

Blew my mind, Need me some PB Blaster, Or I'll mix up ATF and acetone in a jar or something.

Killer, I came across this on Ebay today... http://www.ebay.com/itm/85-86-87-88-Pontiac-Fiero-2-8-V6-Engine-Intake-Manifol d-Plenum-Bolts-/162115932344?fits=Model%3AFiero&hash=item25bedcd0b8:g:adAAAOSwc1FXbaXK&vxp=mtr

Wasn't sure if you found your bolts or not.

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Fiero's Owned:

1987 Coupe 2.5 5spd May 99 - June 03
1987 GT V6 5spd July 30 2012 - Current

Sorry for the delay.
PM sent, also email with pic's
note: there are actually 13 chrome bolts