i found this on ebay

would they work?
none say LT1

http://cgi.ebay.com/ebaymotors/ws/eB...950873441&rd=1

 

I would suggest these:

http://store.summitracing.com/defaul...+400431+309437

Brandon

 

are they better??? if so why?

 

I hear NOTHING but GREAT things about the Breslin locking header bolts. Check them out: http://www.go-breslin.com/

 

the thing i wonder about those locking header bolts is what would they do to aluminum heads? could they strip the threads over time?

 

Stage 8s have worked well for me

 

Do not buy Stage 8's, they are a PITA! I would buy Breslin, I did, worked great. You get what you pay for, a great fastener.

Its a bit pricey but it will save you the headaches of the Stage 8's washer system. The Stage 8's do work though, just a PITA.

 

They don't get any tighter or looser, it's just a bolt with a special locking system. Neither type will strip your heads as long as you don't overtorque it. I have the stage 8's, and had to grind down the washers a little to use with my Jet hot's. Kinda of a pita, but they work well. A nice thing about the stage 8's is they have an allen screw that can be used to tighten up the bolt. The others have the allen screw to set the fastner.

 

Definitely go with the Breslins...they work great and are much easier to install than the Stage 8's. The Stage 8's often need some slight modification to the washers and if you drop one of those clips while working on them sometime in the future, good luck finding them. You won't have either problem with the Breslins.

 

I don't know why you want to pay $20 for header bolts. Best solution for me was going to local hardware store, getting 16 1" long allan head stage 8 bolts, and matching diameter locking washers. Paid less than $10, no shipping . From my perspective it is 100 times better than any hex bolts (any stage) if you have any long tubes. Those who have LT's know what I am talking about, you just cannot efficiently use hex bolts for headers- no/hard acces to the bolts.
Now, if you don't use a locking washer, then 1" is too long.
Allan headed bolts with washer works 100%, its been 3 months since I redid my header bolt, and my headers are stuck to my heads for good
Just a pointer- most hardware stores have stage 8 allan/hex bolts, any size, any length. There is no need for you to pay double by buying it online.

 

I went with the 1inch stainless steel breslins and could not be happier. They work great and look even better in combination with the jet-hot coated headers.

 

Before you offer advice on the subject, you should at least be aware that STAGE 8 and GRADE 8 bolts are two completely different things...

Some people have good luck with regular old header bolts, some don't...thus the need to buy locking ones. I went through 2 header gaskets (and the time/labor to install them) before I bought the locking Breslins, and they're significantly more than $20! Either way, it's money well spent...

 

It is just different wording, I am not sure on what's the difference (you are welcome to clarify the difference) The ones I have are 3/8-16 in 1" length, grade 8 bolts from a local hardware store. I had some “word” 8 bolts before that came when I bought my Long Tubes, and these bolts were recommended for the job 2 years ago. Didn't work for sh*t.
Breslin's are nice, but more than $50 for a set with shipping for 12 bolts is not for everybody. What if you loose one? Another $50 I guess, or pain trying to find one and wasting time. No thanks
Now if you look at your Breslin bolt, the inside of it is Allan, but the outside is still some kind of socket combo, doesn't even look like a regular socket, smells like a special tool needed. And guess what, the main reason for me recommending bolts with Allan head for LONG TUBE headers is for access reason; I could not get a socket on a SINGLE header bolt when I had regular hex headed bolts. And guess what one more time , you can get an Allan socket on 10 out of 12 header bolts if you using Allan bolts . For the remaining two you can easily use an Allan key. It is so easy too , no more trying to use little wrench on hex headed bolts and trying to squeeze the hand in to get to them...

And by using locking washer, those bolts are not going anywhere, since the notch cuts into the bolts and prevents it from turning back. And one more advantage- I recommend 1" long bolt with ~.10" compressed thickness on a washer, which totals to .90" underhead length. Your Bresins are .75". My .90" bolt fits perfectly, doesn't bottom out. And this translates to my bolt holding less stress per thread, or I can torque my bolt more before stripping the head.

And the last advantage of my bolts- they cost more than 5 times less, and I can have a set in ~ 20 min from a local hardware store- no shipping, no online ordering, and no special tools.

So since I have written all of this, I stand behind my advice; I only advice something that works for me and works very well

 

What I disagreed with was your recommendation against two things you've obviously never used nor understand the intended purpose of. Also, implying that your solution is equivalent or cheaper to the other options mentioned. Most people stepping up to a locking header bolt either don't want to have trouble to begin with, or have already had the expense/hassle of having regular ones back out....so the cost really becomes insignificant IMO. I agree that some applications may not need anything more than regular header bolts, and going to a allen key style makes sense.

Grade 8 indicates the hardness...STAGE 8 are are particular brand of locking header bolts: http://www.stage8.com/stage_8_1024.htm They're a locking system, not just a bolt. Typical lock washers don't hold up to the heat cycles that the headers produce. The Breslins use a regular 12pt socket or wrench (which greatly increase the access), no special tools needed...access isn't a problem for most; the lock uses an allen key, which is also easy to access. Stage 8's have multiple pieces that you have to assemble onto each bolt...extremely difficult in our crowed engine bays.

If you have the need for a locking header bolt, the Breslins are the way to go. As always, YMMV and do what works for you.

 

The breslins are nice. The 12pt end makes it VERY easy to get at them and tighten them. We only had a problem with maybe one or two. Stage 8s were **** and the jethot bolts were **** too. If you ever have to retighten them, you'll have to mess with all those clips and stuff. Plus a lot of people have a tendancy to round off stage 8s too.

Its your choice, but I tryed being cheap about it and its not worth the headache of doing those bolts over again. The breslins work flawlessly the 1st time with NO heat cycle.

Also make sure you get some quality fel-pro gaskets.