My Account
Shopping Cart

ARP 234-4301 Pro Series Cylinder Head Stud Kit Small Block Chevy

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

234-4301
05/31/2036 8:03 PM
Sale Price

$240.50

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

ARP Pro Series cylinder head studs are engineered for serious performance applications, featuring premium grade 8740 chromoly alloy that is heat-treated to 200,000 psi tensile strength?far exceeding standard Grade 8 hardware. Each stud undergoes a vertical heat-treat process in specialized racks to ensure complete and uniform heat penetration throughout the component.

Superior Manufacturing Process:

  • Centerless ground after heat-treat for exceptional concentricity and precision fit
  • Thread rolled after heat-treatment for approximately 1000% better fatigue strength compared to studs threaded before heat-treat
  • Precision tolerances allow cylinder heads and gaskets to align perfectly during installation
  • Heat-treated to 200,000 psi for maximum clamping force and reliability

Complete Kit Includes:

  • Premium quality parallel ground washers for even load distribution
  • Compact 12-point style nuts for easier access in tight spaces
  • All hardware needed for complete installation

Application: Designed for select small block Chevrolet applications including 23-degree OEM cast iron and aluminum heads, Gen III Vortec/Truck engines, and popular aftermarket cylinder heads from Airflow Research, Brownfield, Brodix (-8, -10, -11, Track I), Dart (Sportsman and Dart II), Edelbrock, and Trick Flow. These studs are the preferred choice of professional engine builders for high-performance and competition powerplants where reliability and maximum clamping force are critical.

Products specifications

Cut to Fit

No

Fastener Finish

Black oxide

Fastener Material

8740 chromemoly

Fastener Style

Stud

Head Style

12-point

Quantity

Sold as a kit.

Washers Included

Yes

Online service and delivery was great. Only concern was the item (tyres) purchased had a manufactory date of December 2017.

Autoplicity.com was easy to shop for the product I needed and other than shipping taking a little longer than expected, I was very pleased with the experience.

Fast and reliable

Always had good service and price

Great service

Great price and fast service

The only problem it was not an exact fit . It was designed for the older type awnings.

My only issue ....you don't give me a date on when to expect their arrival?? Also your description says for &quot;1&quot;....hopefully one is one pair?

Everything was painless on checkout. Hopefully the shipping is fast

Excellent e-merchant. Awesome service, great products and super low prices !!!

Fast service, and helpful staff.

Great and easy to order.

Fast shipping! would buy from again for sure! Great product at the best price that I could find!

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