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ARP 611-0750 Stainless Steel 12-Point Bolt Kit 5-Pack

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

611-0750
07/12/2036 1:33 PM
Sale Price

$11.74

In Stock (6)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The ARP 611-0750 is a premium quality fastener kit designed for automotive, marine, and trailer applications. This 5-piece bolt set features 12-point heads for superior grip and torque application, providing reliable performance in demanding environments.

Premium Materials and Construction:

  • Manufactured from specially alloyed ARP 300 stainless steel for maximum corrosion resistance
  • Nominally rated at 180,000 psi tensile strength, exceeding Grade 8 hardware specifications
  • 12-point head design allows for more precise torque application and better wrench engagement
  • Polished stainless steel finish provides excellent rust resistance and attractive appearance
  • Includes washers for complete installation

Benefits:

  • Substantial safety margin over standard Grade 8 fasteners
  • Maintenance-free corrosion resistance ideal for marine and outdoor applications
  • Professional appearance with polished finish
  • Trusted ARP quality and precision manufacturing

Each kit contains 5 bolts with washers included, providing everything needed for your fastening application. ARP's reputation for precision and quality makes these fasteners the choice of professionals and enthusiasts alike.

Products specifications

Fastener Finish

Polished

Fastener Head Style

12-Point

Fastener Material

Stainless steel

Fastener Yield Strength (psi)

170,000 psi

Quantity

Sold as a set of 5.

Size

1/4-20 x 0.75

Thread Size

1/4-20 in.

Underhead Length (in)

0.750 in.

Washers Included

Yes

Wrench Diameter

5/16 in.

Wrenching

5/16

Been great

fast and easy thanks

Great Service

Name brands, fast shipping, the best prices, it just doesn't get any better than this!

Best price I could find.

I had an issue with the wire harness. Costumer service is working wit me now

Great service. fast shiping!

I bought this item for my fiance and he loves it! He was completely happy with the price we paid...

Best prices I found online.. processed same day and recieved same week..packaged great and works great.

Did a very good job at keeping me updated and letting me know when my product was being shipped. Only took a day to get out from the manufacturer. Very happy with the results. I will be back.

Wow I love the race ramps I bought for my 2009 dodge challenger srt8 I used Thelm to change the oil 2 days after I got Thelm and they worked great I have extra clearance I wouldnt think of any other place for my parts gas shipping great prices and great shipping prices I'm a very happy customer

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