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Bolts for the 6-bolt heads

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Old Jun 7, 2011 | 09:51 AM
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Default Bolts for the 6-bolt heads

How come I have never seen anyone selling the bolts for 6-bolt heads? Do the heads usually come with them or something?
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Old Jun 7, 2011 | 10:48 AM
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Bolts or studs?

TSP has the studs on their website.
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Old Jun 7, 2011 | 10:54 AM
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I would say most people that actually utilize all of the 6-bolts are purchasing the ARP head stud kit built for 6-bolt setups. We do not include any head bolts with our 6-bolt castings because many customers are not putting them on 6-bolt ready blocks.
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Old Jun 7, 2011 | 10:58 AM
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Originally Posted by KCS
Bolts or studs?

TSP has the studs on their website.
As far as I know, its a bolt and a stud. There is a bolt that gets threaded in from the bottom of the head in the lifter area. Then a stud on the exterior of the block.

Does anyone sell just these extra bolts? I dont really want to spend $438 on a head stud kit when I already have Head Studs
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Old Jun 7, 2011 | 12:52 PM
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Originally Posted by charleysheen
As far as I know, its a bolt and a stud. There is a bolt that gets threaded in from the bottom of the head in the lifter area. Then a stud on the exterior of the block.

Does anyone sell just these extra bolts? I dont really want to spend $438 on a head stud kit when I already have Head Studs
In the ARP kits, that is going to be a stud as well. It threads into the head, basically under the intake port, and then a washer and nut go on the other end. I learned the hard way that buying individual pieces from ARP gets way more expensive than just buying the kits in the first place.

Looking at some pictures of the GM LSX 454R crate engine, it looks like they used OEM style bolts for the 6 bolt heads, so GM might have a kit for 6 bolt heads/blocks based off of OEM TTY bolts.

One problem I ran into is that you can't get a torque wrench in there to tighten the inboard studs. I always used a sort of "adapter" from Matco that is basically a box end wrench with the slot in the other end for a 3/8" drive. It's small enough to get in there and torque the fastener, but you need to adjust the torque wrench to a lower value since the overall length will be different.
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Old Jun 8, 2011 | 12:13 AM
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Originally Posted by charleysheen
Does anyone sell just these extra bolts? I dont really want to spend $438 on a head stud kit when I already have Head Studs
Well look what I have here,

you getting 6 bolt heads or modifying LS9 heads?

I'd call that winning

Attached Thumbnails Bolts for the 6-bolt heads-img_4759.jpg  
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Old Jun 8, 2011 | 09:39 AM
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Originally Posted by AES Racing
Well look what I have here,

you getting 6 bolt heads or modifying LS9 heads?

I'd call that winning

Fraser = Big Pimpin...thinking about pulling the trigger on a set of thick deck 6-bolt MAST large bore LS3's
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