My Account
Shopping Cart

ARP 100-7720 Wheel Studs High-Strength Chrome Moly 8740

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

100-7720
07/11/2036 12:27 PM
Sale Price

$28.08

In Stock (10+)

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

ARP 100-7720 high-performance wheel studs are engineered for oval track and drag racing applications where standard studs simply won't hold up. Manufactured from heat-treated 8740 chrome moly steel, these racing wheel studs deliver an impressive 190,000 psi tensile strength to withstand extreme acceleration shock loads and lateral cornering forces.

Key Features:

  • Heat-treated 8740 chrome moly construction for maximum strength
  • 190,000 psi tensile strength rating
  • Cadmium plated finish for corrosion resistance and durability
  • Designed to handle racing shear and elongation forces
  • Direct replacement for stock wheel studs

Kit Contents: 4 wheel studs (nuts sold separately)

ARP wheel studs are the proven choice for racers who demand reliability under the most demanding conditions. Whether you're launching hard at the drag strip or cornering at speed on an oval track, these studs provide the strength and durability to keep your wheels securely mounted.

Products specifications

Knurl Diameter

0.579 in.

Knurl Diameter (in.)

0.579 in.

Knurl Length (in)

0.300 in.

Notes

Designed to fit Mazda rear 1994-2005 applications.

Quantity

Sold as a set of 4.

Quick Start Nose

No

Quick-Start Nose

No

Size

2.75in L x .579in Dia

Thread Size

12mm x 1.50 RH

Underhead Length (in)

2.750 in.

Wheel Stud Style

Press-in

Wheel Stud Thread Size

12mm x 1.50 RH

A+

Parts were best price I found and received in about a week of ordering. I do need to still verify they are the correct part but they look correct.

Didn&rsquo;t know you all existed!! By far lowest priced AND free shipping!!!!

Easy to navigate website.Quicker than expected delivery time.

Best price and easy to order!! Can't be beaten

5star all the way

Great Products!!!! Too Bad no free shipping!

Prices are among the lowest around. Had a change with my order. Customer support team was quick to respond to emails and make corrections. Will order from Autoplicity again.

Great price, good e-mail communication and fast shipping. Positive experience with Autoplicity so far.

Prices are great on this site. The layout and checkout process are easy to use; Google checkout is definitely a plus. Shipping could be a little faster, especially if they had drop ships from their supplies for items not currently in stock. Overall good service and no problems.

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

Autoplicity has made my parts search so much easier. With the best price gurantee, i can now make autoplicity my one-stop shop for all my parts needs.

Easy so far first time buyer

Good site easy to search for and find parts. The lowest prices on almost every part I have been able to find for my truck.

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy