Description
Product Overview
Introducing the ARP 3/8-24 Steel Hex Stud Bolt, a high‑grade fastener engineered for demanding automotive applications. Crafted from premium stainless steel and finished with a durable black paint, each bolt offers Grade 8 hardness, a flat hex head, and a right‑hand thread for secure, torque‑ready installation. The 16‑piece kit provides ample supply for multiple projects, ensuring consistent performance across all connections.
![[Product front view showing all components]](https://www.norano.store/wp-content/uploads/2026/06/dc00925ede0b4e8c85f45d72dae1bf36.jpg)
Usage
These bolts are ideal for securing rocker arms, performance engine components, and other high‑stress automotive parts. Whether you are rebuilding a performance engine, upgrading a suspension system, or performing routine maintenance, the ARP stud bolt delivers reliable clamping force and resistance to vibration. Designed for both professional mechanics and serious DIY enthusiasts, it fits standard 3/8‑24 UNC threads found in most performance applications.
Why Choose Us
ARP is a trusted name in high‑performance fasteners, and this bolt reflects the brand’s commitment to quality and durability. Each bolt undergoes rigorous testing to meet Grade 8 specifications, ensuring it can handle extreme torque and thermal cycles. Manufactured in the United States, the product benefits from strict quality control and consistent material properties, giving you confidence in every installation.
Key Features
- Grade 8 hardness provides superior strength for high‑stress applications.
- Flat hex head offers easy access with standard wrenches and sockets.
- Painted black finish resists corrosion and blends with engine bay aesthetics.
- 16‑piece kit ensures you have enough fasteners for multiple installations.
- Backed by ARP’s customer support and warranty for peace of mind.
FAQ
What thread size does this bolt use?
The bolt features a 3/8‑24 UNC thread, which is standard for many performance engine components.
Is the black finish durable?
Yes, the painted black coating is formulated to resist corrosion and wear, maintaining its appearance even in harsh engine environments.
Can I use these bolts for non‑automotive projects?
While designed for automotive use, the high‑grade material and robust construction make them suitable for any application requiring strong, reliable fastening.
Do the bolts come with a warranty?
ARP provides a limited warranty covering material defects, and their customer service team is available to assist with any fit or performance concerns.
What is the recommended torque setting?
For optimal performance, follow the vehicle or component manufacturer’s torque specifications, typically ranging from 70‑90 ft‑lb for Grade 8 studs.







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