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ARP

ARP 250-4202 Stud Kit

    • Based on 412 reviews
Condition: New
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Availability: Only 7 left in stock, order soon!
Fulfilled by Amazon
Arrives Saturday, Apr 19
Order within 41 minutes
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Features

  • Black oxide finish
  • Part number: 2504202
  • Fit type: Vehicle Specific
  • Package Weight: 5.724 kilograms

Description

(Supderduty, 6.0L Diesel) Built for the (03-05) Ford F350... Obtaining the optimum cylinder head-to-block sealing is especially critical in small displacement engines employing high compression pistons or power adders like turbochargers, nitrous oxide and superchargers. That's why ARP head studs are popular among leading Sport Compact/Import racers.You should know that ARP uses a premium grade 8740 alloy that is rated far superior to "aircraft" quality. Then, each stud is precisely heat-treated to 200,000 psi. Following heattreat, each stud is centerless ground to make it as close to perfectly concentric as possible. This procedure involves about ten very slight cuts and results in an exceptionally straight part. It's important to note that lesser quality studs are not even centerless ground the material is thread rolled in bar stock form (mostly before heat-treat, when the material is easier to machine). Because ARP studs are manufactured to such exacting tolerances, you will note that gaskets and cylinder heads literally glide into position and are perfectly aligned something that won't happen with inferior quality head studs.ARP studs are thread rolled after heat-treat, which gives them about 1000% (that's ten times) better fatigue strength than those studs that are threaded prior to heat-treat.You will also note that ARP offers specially undercut studs for several engines. This procedure (done only to the shorter studs) more equalizes the "stretch" of both studs, which makes for a more consistent clamping force one that compensates for head gasket compression when the head is installed. This helps prevent blown head gaskets, and assures optimum sealing!

Material: ARP 2000 material


Grade Rating: Grade 8740


Exterior Finish: Painted


Manufacturer Grade: Grade 8740


Head Style: studs


Material: ‎ARP 2000 material


Grade Rating: ‎Grade 8740


Exterior Finish: ‎Painted


Manufacturer Grade: ‎Grade 8740


Head Style: ‎studs


Color: ‎Black


Fastener Type: ‎Stud Bolt


Brand: ‎ARP


Thread Type: ‎Unc


Thread Style: ‎Unified National Fine (UNF)


Metal Type: ‎8740 alloy


Head Type: ‎Cylinder Head Stud Kit


Compatible groove diameter: ‎0.45 Inches


Thread Class: ‎8740 Alloy, Heat-treated to 200,000 PSI


Maximum Shear Strength: ‎132,000 PSI


UPC: ‎672036032456


Global Trade Identification Number: ‎56


Manufacturer: ‎ARP


Model: ‎ARP 250-4202


Item Weight: ‎12.61 pounds


Product Dimensions: ‎11 x 7.3 x 2.3 inches


Item model number: ‎250-4202


Is Discontinued By Manufacturer: ‎No


Manufacturer Part Number: ‎250-4202


OEM Part Number: ‎250-4202


Date First Available: December 2, 2005


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Apr 19

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • The studs are only as good as how they are installed
These studs are very, very well-made. Make sure that you install them properly not just the torque, but making sure that all the threads in your engine block are clean and there’s no oil or water down in the bottom of the hole. You can get miss torque and you must use the grease that comes with it, it’s great torquing compound studs worked perfect ... show more
Reviewed in the United States on October 9, 2024 by Richard S. Duttle
    • 6.0L Powerstroke, studded one at a time!
I studded my 6.0L Powerstroke one at a time. It was a fun project and the truck is running great with no issues. Pull the passenger side A/C box, to get the the passenger side studs. On the drivers side you have access to all the studs except for the farthest one back. To get that stud in, take the 4 nuts off the motor mount and jack that side of the motor up 3", then take the 2 bolts out of the transmission mount and use a bottle jack to push the transfer case over about 2-3" and the head bolt will come out past the firewall. No hammer or hole cutting required! I saw this technique on YouTube, then immediately ordered these studs, it was as easy as it looked. ... show more
Reviewed in the United States on September 25, 2021 by eatconcrete
    • Early 2003 6.0l
Worked great on my earl 6.0l 2003 super duty … with cab on … make sure you put the corner bolt in the head and hold it with a zip tie so it wont fall off then install the head… i had to buy the special tool for my cherry picker to take the heads off this 6.0l diesel.. worked great!
Reviewed in the United States on October 25, 2022 by Tino kalantzis
    • Perfect fix for the 6.0
I bought this to fix the common 6.0 problem, kit has studs and thread lube plus step by step instructions. I have had this installed in my truck for well over a year now and they are still holding strong. Amazon also had the best price by far that I could find!
Reviewed in the United States on February 1, 2014 by William R.
    • ATP studs
Are the only ones I used superior to all others
Reviewed in the United States on February 6, 2023 by Vulture RICHARD ZELLER
    • What a stud
Expensive hardware for my 6.0 powerstroke. Good reputation and quality.
Reviewed in the United States on November 7, 2019 by Greig A.
    • Put these on a few of our fleet trucks
I've put a few sets of these on some fleet trucks and haven't had any issues. I pull the engine when installing, makes it a lot easier and allows me to reseal the engine. Havent had any headgasket issues after install on the 5-6 kits I've put on so far.
Reviewed in the United States on August 24, 2020 by Shane Schoepke
    • It’s an actual ARP kit!
Review Image by Craig Craig
Review Image by Craig Craig
Review Image by Craig Craig
Review Image by Craig Craig
All the components you’d find in any other ARP 250-4202 kit, but cheaper. All studs have threads. I guess I’ll update once they’re installed if I have any difficulties. I also heard that once you’ve done a torque sequence, wait 24 hrs for any stretch and then redo the torque sequence before you do the final assembly. ... show more
Reviewed in the United States on December 5, 2019 by Craig Craig

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