ARP Studs

Accessory Stud Kit M10 X 1.25/1.50 X 55mm

Part #: 400-8039

Overview

The ARP Studs (400-8039) are high-quality stainless steel accessory studs designed to provide a reliable and durable fastening solution for various engine components. Crafted by ARP, a renowned name in performance fasteners, these studs are ideal for enthusiasts and professionals seeking to enhance the reliability and appearance of their engine assemblies. Whether you're working on exhaust systems, intake manifolds, or other critical engine parts, these studs offer a superior alternative to standard fasteners, ensuring a secure fit and long-lasting performance.

Constructed from ARP's premium stainless 300 series steel, these studs are impervious to rust and corrosion, making them suitable for both street and racing applications. Their corrosion-resistant properties help maintain the integrity of your engine bay, even in harsh conditions. The 55mm length and M10 thread size make these studs versatile and compatible with a wide range of components, providing a strong, vibration-resistant connection that supports your vehicle's performance and reliability.

Key Features

ARP Studs (400-8039) are engineered with precision and durability in mind, offering several key benefits for your engine build or repair:

• Manufactured from ARP's high-grade stainless 300 series steel, ensuring resistance to rust and corrosion for long-term reliability.
• Designed with a unique nut starter nose and a hex broached tip, facilitating easy installation with an Allen wrench, saving time and effort during assembly.
• Includes stainless steel 12-point nuts and washers, providing a secure and vibration-resistant fastening solution.
• Available in M10 x 1.25 and 1.50 thread pitch options, accommodating various applications and component requirements.
• 55mm length offers flexibility for different engine configurations and component clearances.
• Perfect for use in exhaust systems, intake manifolds, and other engine accessories where high strength and corrosion resistance are essential.
• Designed to give your engine a show-quality appearance while providing superior strength compared to standard fasteners.
• Ideal for performance builds, restorations, or any application where reliable, corrosion-proof fasteners are desired.

Construction & Design

The ARP accessory studs are meticulously manufactured from ARP's proprietary stainless 300 series steel, known for its exceptional strength and corrosion resistance. The studs feature a precise thread pitch of either 1.25 or 1.50, ensuring compatibility with a wide range of components. Their unique nut starter nose and hex broached tip allow for straightforward installation using an Allen wrench, simplifying the assembly process even in tight spaces.

The inclusion of stainless steel 12-point nuts and washers ensures a secure, vibration-resistant connection that maintains integrity under demanding conditions. The 55mm length provides ample engagement for most applications, offering a balance between strength and clearance. These studs are TIG-welded and machined to exact specifications, ensuring a perfect fit and consistent performance across every set.

Performance & Reliability

Designed for high-performance and durability, these ARP accessory studs help support the structural integrity of your engine assembly. Their corrosion-resistant stainless steel construction prevents rust and degradation over time, even in exposed or humid environments. The precise threading and high-quality materials ensure a secure fit that resists loosening due to vibration or thermal expansion.

Installation & Fitment

Installing the ARP accessory studs is straightforward thanks to their unique nut starter nose and hex broached tip, which allow for easy engagement with an Allen wrench. These studs are designed to bolt into existing threaded holes, replacing standard fasteners for a more secure and professional finish. No special tools beyond a standard Allen wrench are required, and the studs do not require any cutting or modifications to your existing components.

Ensure that the thread pitch (1.25 or 1.50) matches your application before installation. The studs are compatible with standard stainless steel 12-point nuts and washers included in the kit, providing a complete fastening solution for your engine assembly.

What's Included

• Set of ARP stainless steel accessory studs (400-8039) with M10 x 1.25 or 1.50 thread pitch
• Stainless steel 12-point nuts
• Washers
• Installation instructions

Ideal For

• Performance enthusiasts building or upgrading their engine assemblies
• Restorations requiring high-quality, corrosion-resistant fasteners
• Street and racing applications where durability and reliability are critical
• Engine builders seeking a show-quality appearance with professional-grade hardware

Emissions Note

This product is designed for use in applications that do not require emissions certification. Please verify compatibility with local regulations before installation in emissions-controlled vehicles.