ARP Diesel Head Stud Kit

$442.99
ARP247-4202
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ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They're heat-treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12-point nuts, and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready to ship, these cylinder head fasteners can be ordered for virtually any style engine.

Overcome head gasket failures that can occur in your Dodge Cummins diesel with ARP head studs!

These ARP studs are rated at 220,000 psi tensile strength, and provide the clamping force required to keep cylinder heads from lifting due to higher combustion pressures. Manufactured from proprietary ARP 2000 material, with threads rolled after heat-treat to provide optimum fatigue strength. They are centerless ground to assure perfect concentricity. The ends of the studs are broached to facilitate easy installation. This feature also enables the cylinder head to be removed in tight quarters. Also included in each kit are heat-treated, chrome-moly steel 12-point nuts and parallel-ground washers. They are black oxide finished for extra durability.

Part Type: Cylinder Head Fasteners
Product Line: ARP Pro Series Cylinder Head Stud Kits
Fastener Style: Stud
Head Style: 12-point
Fastener Material: 8740 chromemoly
Fastener Finish: Black oxide
Washers Included: Yes
Cut to Fit: No
Quantity: Sold as a kit.

ARP cylinder head studs are the clear favorite among top professional engine builders in nearly every form of motor sports. ARP uses a premium grade 8740 alloy that is rated superior to aircraft quality. Then each stud is specially heat treated in a vertical fixture that insures complete heat penetration. After heat treating the studs are centerless ground for precise concentricity, and then the threads are rolled which gives them ten times better fatigue strength than competitor's studs. It costs more to do it this way and it is very hard on the tooling but the results are well worth the extra expense. ARP stud kits are available for almost every domestic and import application and you just won't find a better product on the market from any other source.

Includes 12-point nuts.

Specifications
Socket Size(s) 14mm 12pt, 5mm Allen

ARP 247-4202 Key Features:
  • Studs made of proprietary ARP 2000 material
  • Heat-treated prior to thread rolling and machining for optimum fatigue strength
  • Rated at 220,000 psi tensile strength
  • Ample clamping force prevents cylinder heads from lifting
  • Hardened parallel ground washers for an even load distribution and accurate torque readings
  • Broached stud ends install & make cylinder head removal easier
  • Chrome moly steel 12-pt nuts
  • Comes with 0.5oz of ARP assembly lubricant.

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We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

ALL returns are subject to a 30% restocking fee.

To start a return, you can contact us at info@pricedieselperformance.com. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at info@pricedieselperformance.com.

Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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