ARP - 2000 Head Studs - WRX/STi EJ2.0/2.5L

ARP

ARP - 2000 Head Studs - WRX/STi EJ2.0/2.5L

In the rangePart no. 260-4701

Fitment not listed

The supplier does not state which cars this fits, and we would rather say so than guess. Ask us with your car and we will check before you order.

Stud size
11mm
Material
8740 alloy steel
Tensile strength
200,000 psi (heat-treated)
Category
Engine & forced induction
All 8 specifications ↓

Want this, or something like it?

We can’t take an order yet — supply is still being arranged. Ask, and we will tell you what we know about it and let you know when it is available. What people ask for is what we range first.

  • Fitment is confirmed, not guessed

    A chassis is listed only where the part is on one of our cars or on the manufacturer’s own application list.

  • Some of this is on our cars

    Parts marked On our cars are ones we race. Those descriptions are written from running them, not from a brochure.

  • A person answers

    Enquiries go to Michael, who races the cars. Tell us the car and what you are trying to fix.

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Specifications

Brand
ARP
Part number
260-4701
Stud size
11mm
Material
8740 alloy steel
Tensile strength
200,000 psi (heat-treated)
Fatigue strength
Up to 10x pre-heat-treat threaded studs
In the box
12x head studs (11mm), 12x parallel ground washers, 12x chromoly nuts, 1x ARP lube
Category
Engine & forced induction

Figures as published for this part; fitment is only what we have confirmed. Check critical dimensions against your car before ordering.

About this part

ARP's 2000 Head Stud set, part number 260-4701, suits the WRX and STI 2.0 and 2.5 litre EJ engines. The studs are 11mm and made from 8740 alloy steel, heat-treated for 200,000 psi tensile strength and rated up to 10 times the fatigue strength of pre-heat-treat threaded studs. The kit includes 12 head studs, 12 parallel ground washers, 12 chromoly nuts and a tube of ARP lube.

We have not run this part ourselves — the ones we have are marked on our cars.