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ARP 250-4206 Ford 6.0L Powerstroke M8 Inner Row Head Bolt Kit

Manufacturer

ARP

<h3>The Gold Standard in Performance Fasteners</h3> <p>When racing enthusiast Gary Holzapfel recognized that fastener failure was causing many engine breakdowns in 1968, he founded Automotive Racing Products (ARP) to solve a critical problem in motorsports. Drawing on his aerospace fastener manufacturing experience, Holzapfel created a company that would revolutionize the performance fastener industry. Today, ARP stands as the world's premier manufacturer of high-strength bolts, studs, nuts, and specialized hardware for racing and high-performance applications.</p> <p>ARP controls all aspects of the manufacturing process in-house, with all operations closely monitored, enabling the company to maintain its reputation for zero-defect quality. Every fastener undergoes forging, heat treatment, thread rolling, and precision finishing at ARP's Southern California facilities, which span over 115,000 square feet. This vertically integrated approach ensures that each component meets exacting standards for strength, fatigue resistance, and reliability under extreme conditions.</p> <h3>Engineered for Championship Performance</h3> <p>ARP's customer roster reads like a who's who of professional motorsports. The product line ranges from quality high-performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, NASCAR and NHRA drag racing and marine applications. The company's fasteners have secured victories in virtually every major racing championship worldwide, from Top Fuel dragsters to Formula One cars, proving their worth under the most demanding conditions imaginable.</p> <p>The brand's <a href="/48-arp-engine-cylinder-head-bolt-set-10306">engine cylinder head bolt sets</a> represent the cornerstone of ARP's catalog, offering engine builders the clamping force and reliability needed to prevent head gasket failure in high-boost and high-compression applications. These precision-engineered fasteners utilize proprietary materials and heat treatments that deliver up to ten times the fatigue strength of conventional bolts, making them essential for any serious performance build.</p> <p>For engine internals, ARP manufactures <a href="/48-arp-engine-connecting-rod-5276">connecting rods</a> designed to withstand extreme cylinder pressures and high RPM loads. Each rod is manufactured to aerospace standards with tight tolerances and superior material properties. Whether you're building a street performance engine or a full competition powerplant, ARP connecting rods provide the strength and consistency that professional engine builders demand.</p> <h3>Complete Fastener Solutions</h3> <p>Beyond engine components, ARP's product range extends throughout the entire vehicle. The company's <a href="/48-arp-wheel-lug-stud-7680">wheel lug studs</a> offer critical safety and performance benefits for racing and high-performance street applications, providing greater clamping force and durability than factory studs. ARP's product line contains thousands of part numbers and has expanded to include virtually every fastener found in an engine and driveline.</p> <p>Individual <a href="/48-arp-engine-cylinder-head-bolt-5308">engine cylinder head bolts</a> are also available for custom applications or specific replacement needs, manufactured to the same exacting standards as complete sets. This flexibility allows builders to source exactly what they need for specialized builds or repairs without compromising on quality.</p> <p>What sets ARP apart is not just the breadth of their catalog, but their willingness to develop custom solutions for unique applications. The company maintains complete R&D capabilities, including metallurgical research, product design, prototype machining, and extensive laboratory testing. This engineering expertise ensures that whether you're installing a simple head stud kit or building a record-setting race engine, ARP fasteners deliver the reliability and performance that professionals trust.</p>

Part Number

250-4206
06/01/2036 6:01 AM
Sale Price

$34.64

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The ARP 250-4206 head bolt kit is specifically engineered for Ford 6.0L Powerstroke diesel engines, providing superior clamping force and reliability for high-performance and heavy-duty applications. These M8 head bolts are designed for the inner row cylinder head installation and are manufactured from premium chrome moly steel for exceptional strength and durability.

Key Features:

  • Premium chrome moly steel construction for superior tensile strength
  • Black oxide finish for corrosion resistance
  • Designed for inner row cylinder head bolt positions on Ford 6.0L Powerstroke engines
  • Includes hardened washers for proper load distribution
  • Precision rolled threads for accurate torque readings and consistent clamping force
  • Ideal for stock rebuilds, performance builds, and diesel tuning applications

ARP fasteners are heat-treated in-house to exacting standards and provide the strength and reliability demanded by professional engine builders and diesel performance enthusiasts. These head bolts offer a significant upgrade over factory fasteners and are essential for engines running increased boost, heavy towing loads, or performance tuning.

Wonderful

Easy to order, great price.

good

Correct item fit perfectly

So far, pretty simple process. these are coming recommended by a family member so I am holding out high hopes for the product quality.

So glad you have the part I needed! Easy to use your webpage and so glad you accept Amazon pay method! If the wiper arrives soon and as expected you will have won a new customer! Also the coupon was very convincing! Good job!

Excellent service

quick. hope accurate too

Awesome!

Easy to find part and place order through Amazon

I went through the Amazon payment option and it was a hassle.

Was quick and easy. Hope to get product quickly!

quick, easy, painless shopping and checkout. Great!

Good

Very good price on my purchase and free shipping!

Quick shipping, low price, easy website. Thanks guys!

Easy and fast, can't beat that with a stick. It even arrived a day earlier than indicated. What else can I ask for. The install was really smooth and really did only take me about an hour. However, I did have access to a lift because a friend of mine owns

Easy

Convenient Amazon checkout

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