ARP head bolts, are they a good choice?

**mvvette97** · 01-12-2007, 09:02 PM

I was told that they are the best but yet I read that people have had them break. I'm going to be putting my heads on in the morning and have the ARP bolts. How many have had them break?

***Ed Blown Vert*** · 01-12-2007, 09:30 PM

I use their studs. They are great. I would have to think the bolts are just as good.

**Sarge** · 01-13-2007, 03:01 AM

If properly torqued they are the best out there. Bar none.

**Y2KPewterSS** · 01-13-2007, 07:48 PM

I have ARP head bolts, great product, you won't regret using them.

**mrr23** · 01-14-2007, 12:14 PM

i use the bolts here as well.

**0rion** · 01-15-2007, 08:41 PM

Why wouldn't you guys use the stud kit? Just curious why you went with bolts and not studs. Price?

**LS2Tuner** · 01-16-2007, 08:04 AM

The studs have a much greater clamping force thats why you'll 85% of race motors will be studed.
And ARP is the MOST used bolt on the market in the race seen. If you broke their bolt you have other major issues or your just should'nt be working on your shit anyways!!!!

We build 80% race motors out of the machine shop and I've NEVER broke one or seen anyone else break one in 5 years. Now we have had some dumbass customers come back with broken bolts. When they tell you to oil the threads that does NOT mean enough to hyd. lock the bolt in the thread.
You must clean and run chasers through threads prior to assembly.

**9t8z28** · 01-16-2007, 02:06 PM

Just curious. If you use the studs and the engine is in the car, will you be able to fit the cylinder head over the studs?

***Ed Blown Vert*** · 01-16-2007, 02:15 PM

Originally Posted by 9t8z28

Just curious. If you use the studs and the engine is in the car, will you be able to fit the cylinder head over the studs?

**LS2Tuner** · 01-16-2007, 05:07 PM

The only issue we run into with studs is depending on who's headers your running.............. The flange hits the top of the studs stoping the header from properly lining up. Nothing a little grinding won't fix though.

**9t8z28** · 01-16-2007, 06:20 PM

Originally Posted by LS2Tuner

The only issue we run into with studs is depending on who's headers your running.............. The flange hits the top of the studs stoping the header from properly lining up. Nothing a little grinding won't fix though.

So you grind the header flange a little so it will seat properly?

**LS2Tuner** · 01-16-2007, 09:16 PM

Yes you grind some on the flanges. It's very easy if you have access to a motor out of a vehical. Just line up the header and mark the flanges where the bolt heads are and grind a 3/8" U upside down.

**0rion** · 01-17-2007, 12:17 AM

Any brands in particular you see this problem with more than others? The reason I ask is at some point this spring I'm hoping to do my heads/cam and was planning on using ARP studs when I did it. I run pacesetter headers and really don't have much of a problem grinding them down but I'm hoping I won't have to do that.

**LS2Tuner** · 01-17-2007, 06:00 AM

If you look at the front cylinders you can see look at the amount of clearence you now have from the flange versus the bolt head. If it's close I'de say your going to have issues. The stud is going to be 3'8"-1/2" taller than your bolt head now.