Engines and Components› Cylinder Heads and Components

Arp

Pro Series Head Stud Kit for Ford 7.3L IDI

$647.85

SKU: 256-4204

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
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Description

The ARP 250-4204 Head Stud Kit is engineered for Ford 7.3L IDI applications, offering a superior fastening solution for high-performance engine builds. These Pro Series cylinder head studs are cold-forged from a premium-grade 8740 alloy, ensuring molecular integrity and exceptional durability. Each stud undergoes precise heat treatment to 220,000 psi before thread-rolling and machining. This post-treatment threading process results in approximately 1000% greater fatigue strength compared to studs threaded before heat treatment. The kit includes hardened parallel washers, which are crucial for distributing clamping loads evenly and achieving accurate torque readings, making them a trusted choice for professional engine builders and competition applications. ARP uses a material rated far superior to aircraft quality, emphasizing the high-performance nature of these studs. This meticulous manufacturing process ensures that the ARP 250-4204 kit provides unmatched quality and reliability for demanding engine environments.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandArp
Part Number256-4204
CategoryEngines and Components
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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