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Thread: Head bolt size 2.5 260?
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06-01-2004, 06:02 PM #1
Head bolt size 2.5 260?
Can anyone tell me the thread size - length- oh ya and how many all together there are on a 97 Merc 2.5 260
Thanx
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06-01-2004, 06:32 PM #2
Head bolts
I can check tonight, there are 12 per side. I have a ton of extras if you need some and I'd sell them cheap. These are fresh water bolts with little or no rust on any of them and I probably have 100 of them at least with washers if you need them. Call or email or I'll email you the length. They are 3/8 NC threads of course and grade 8.
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06-01-2004, 08:08 PM #3
I know its not recommended
but i want to go with ARP Stainless Steel bolts
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06-01-2004, 09:50 PM #4
That sounds good!
The ARP material is much stronger then the std SS bolts out there. You know that you can get studs from the same material and probably cheaper and that studs are more accurate and easier on the block right? Shoot me an email and I can tell you were to get the studs or I have a set here. They are not the std SS, they are the super strong ARP material and come with cad plated grade 8 , 12 point nuts . I will have the bolt length shortly for you. This is a 260 not a 280 right?
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06-02-2004, 06:07 PM #5
Are you sure you want to mix aluminum heads and stainless steel bolts? I don't think they like each other very much. I would stick to factory spec bolts--anybody else on this one? Capnzee