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ARP

ARP 247-4202 Stud Kit

    • Based on 234 reviews
Condition: New
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$446.99 Why this price?

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Availability: 12 left in stock
Fulfilled by Amazon
Arrives Sunday, Sep 22
Order within 19 hours and 26 minutes
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Style: Stud Kit


Features

  • Lubricate the both sides of the washers with ARP ultra-Torque Fastener Assembly Lubricant then place them over the studs onto the cylinder head spot faces.

Description

(Cummins 5.9L Dsl 24V) Built for the (98-02) Dodge Ram 2500... 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!


Grade Rating: Grade 8740


Exterior Finish: Painted


Manufacturer Grade: Grade 8740


Brand: ARP


Is Discontinued By Manufacturer ‏ : ‎ No


Item model number ‏ : ‎ 247-4202


Date First Available ‏ : ‎ June 6, 2008


Manufacturer ‏ : ‎ ARP


Country of Origin ‏ : ‎ USA


Domestic Shipping: Item can be shipped within U.S. International Shipping This item can be shipped to select countries outside of the U.S. Learn More


Best Sellers Rank: #117,592 in Automotive (See Top 100 in Automotive) #12 in Automotive Replacement Engine Main Bolts & Studs


#12 in Automotive Replacement Engine Main Bolts & Studs:


Customer Reviews: 4.7 4.7 out of 5 stars 234 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Sep 22

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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Similar Products

Top Amazon Reviews

    • Gift
Style: Stud Kit
Do t k is it was a gift
Reviewed in the United States on January 24, 2023 by Phyllis Pollon
    • Perfect upgrade for blown head gasket on Cummins 6.7L
Style: Stud Kit
I have a 2007 Dodge Ram 2500 with the 6.7L Cummins. Wish I had retrofitted to these studs years ago, but I didn't. Head gasket failed at around 98k miles. I hired a mobile diesel tech to come to my house and help me change the gasket and install the studs. Ended up getting a valve job too, so the upper end of the engine is like new. It was a lot of work! This mechanic torqued the nuts to 135 ft-lbs, which is 10 ft-lbs higher than Cummins does at the factory. He says that is a best practice that many mechanics are doing. For those who are replacing a failed head gasket, Cummins makes an Upper Engine Gasket Kit which has all the gaskets you'll need. ... show more
Reviewed in the United States on November 10, 2016 by Joel Hilden
    • If ARP seal broken. Check that the nuts go on studs easily.
Style: Stud Kit
First set came used. Looked good. Nuts start good, then start dragging about 1/3 down threads. Shows studs have been torqued previously. Replacement set was great. Worth the money
Reviewed in the United States on February 13, 2022 by mark b
    • Obvious quality upgrade.
Style: Stud Kit
It’s pricey but you get what you pay for. Amazon makes it a better value and convenient.
Reviewed in the United States on April 26, 2022 by Thundercat
    • and holds better! I was always hesitant with the more powerful ...
Style: Stud Kit
The studs come with an instruction manual. I would suggest going to glacier diesel for a more in depth, step by step, manual (available as a PDF). As far as the studs are concerned; everything works as it should, and holds better! I was always hesitant with the more powerful tunes on my programmer. These studs brought me peace of mind. The head stays where it should be, and my coolant levels are good. It took me me the better part of a day to install. So in short, I recommend these for anyone looking for extra insurance when throwing more power at a 6.7. ... show more
Reviewed in the United States on November 28, 2016 by Amazon Customer
    • Looks to be a quality product
Style: Stud Kit
Seems like a quality product. Already had the head off, so easy to install
Reviewed in the United States on January 27, 2021 by Connie Chapin
    • Excellent Quality
Style: Stud Kit
ARP is second to none when it comes to fasteners. These worked great on my 6.7 Cummins. Install is a little work. Plan to adjust your rockers if you are performing a bolt to stud swap since you will have it apart anyway. It took about 5 hours to complete including the occasional break to rest the back and grab chow. I also replaced the rocker housing gasket with a new one. If you are a non-commercial owner of a Cummins (Dodge Ram etc), they you can register and find all the engine info you need at https://quickserve.cummins.com. You just need the serial number off the engine tag to register. ... show more
Reviewed in the United States on May 7, 2015 by Muzzy
    • Great deal
Style: Stud Kit
The cheapest place I found them looked all over price shopped around for a week or so can't complain at all great deal.
Reviewed in the United States on April 17, 2021 by Matthew Weber

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