ARP 12pt Hardware Kit

3/8˝-16 SAE Bolt Kit for Automotive, Marine, and Trailer Applications

Part #: 642-1250

Overview

The ARP 12pt Hardware Kit is a premium-quality fastener solution designed for automotive enthusiasts, builders, and professionals who demand the highest standards in strength, durability, and reliability. Crafted from heat-treated 8740 chromoly steel, these bolts are engineered to provide exceptional performance in a variety of demanding applications, including engine assembly, chassis modifications, marine setups, and trailer construction.

Whether you're assembling a high-performance engine, securing critical components, or undertaking custom fabrication projects, this hardware kit offers the confidence and peace of mind that comes with ARP's renowned quality. The black oxide finish not only enhances corrosion resistance but also provides a sleek, professional appearance in your engine bay or project workspace.

Key Features

Designed for versatility and strength, the ARP 12pt Hardware Kit offers several key features that set it apart:

• Premium Material: Made from 8740 chromoly steel, known for its excellent toughness and fatigue resistance, ensuring long-lasting performance under stress.
• Heat Treatment: Carefully heat-treated to achieve a tensile strength of 180,000 psi, providing a substantial safety margin over standard Grade 8 hardware.
• Corrosion Resistance: Black oxide finish helps protect against rust and corrosion, extending the lifespan of the fasteners in harsh environments.
• Wide Range of Sizes: Available in various thread sizes, with this kit featuring 3/8˝-16 bolts suitable for numerous applications.
• Secure Thread Engagement: Designed with precise threading and high-quality manufacturing standards to ensure reliable fastening and easy installation.
• Versatile Use: Ideal for automotive, marine, trailer, and general fabrication projects requiring durable, high-strength fasteners.
• Compatibility: Compatible with most standard 12-point (12pt) socket tools, allowing for easy installation and removal in tight spaces.

Construction & Design

The ARP 12pt Hardware Kit features a robust construction utilizing ARP's proprietary heat-treating process, which enhances the steel's mechanical properties. The 8740 chromoly material offers superior toughness compared to traditional steel fasteners, making these bolts suitable for high-stress environments. The black oxide finish not only provides corrosion resistance but also reduces glare and enhances the visual appeal of your assembly.

The 12-point head design allows for increased torque application and better access in confined spaces, ensuring a secure fit without stripping or damaging the fastener. The precise manufacturing tolerances guarantee consistent thread engagement and smooth installation, making these bolts a reliable choice for critical fastening needs.

Performance & Reliability

With a tensile strength of 180,000 psi, these bolts are engineered to support high-stress applications, providing a significant safety margin over standard hardware. Their high-quality construction ensures resistance to fatigue and stress-induced failure, making them suitable for both daily driving and high-performance racing scenarios. The ARP hardware kit helps support the integrity of your assembly, reducing the risk of fastener failure under load.

Installation & Fitment

The ARP 12pt Hardware Kit is designed for straightforward, bolt-on installation. Its standard 3/8˝-16 thread size fits a wide range of components and applications. No special tools beyond a standard socket set are required, and the high-quality threads ensure smooth, secure fastening. Always follow torque specifications recommended for your application to ensure optimal safety and performance. This kit does not require any modifications, cutting, or special tuning, making it suitable for both professional and DIY use.

• Easy to install with common socket tools
• No cutting, drilling, or additional modifications needed
• Ideal for automotive, marine, trailer, and general fabrication projects

What's Included

• Complete set of 3/8˝-16 SAE bolts in various lengths (as specified by the kit)
• High-quality hardware with black oxide finish
• Installation instructions (if provided)

Ideal For

• Automotive enthusiasts and professionals
• Engine builders and fabricators
• Marine applications requiring durable fasteners
• Trailer and equipment assembly
• Any project demanding high-strength, reliable hardware

Emissions Note

This hardware kit is intended for use in non-emissions-critical applications. Always verify compatibility with your local regulations and ensure proper installation practices.