ARP Hex Bolt Kits

2011–2025 Subaru Forester / Subaru Outback / Subaru Impreza 3/8in - 16 x 1.250 Hex Bolts, Black Oxide

Part #: 654-1250

Overview

The ARP Hex Bolt Kits are precision-engineered fasteners designed for automotive enthusiasts and professionals who demand the highest quality hardware for their builds. Whether you're assembling engine components, suspension parts, or other critical systems, these bolts provide reliable strength and durability. Crafted with meticulous attention to detail, ARP's hex bolts ensure a secure fit and long-lasting performance, making them an essential upgrade for your vehicle's maintenance or custom modifications.

Ideal for street, performance, and off-road applications, these bolts help support increased safety and reliability in your vehicle's assembly. Their black oxide finish not only provides corrosion resistance but also offers a sleek, professional appearance. With ARP's reputation for quality and precision, you can trust these hex bolts to meet or exceed OEM standards, ensuring peace of mind during your vehicle's operation.

Key Features

ARP Hex Bolt Kits are built with high-strength materials and advanced manufacturing processes to deliver exceptional performance. The 3/8 inch diameter and 16 threads per inch specification make these bolts versatile for a wide range of automotive applications. The 1.250-inch length provides ample engagement for secure fastening, while the black oxide coating offers corrosion resistance and a clean, finished look.

• Manufactured from high-quality alloy steel for maximum strength and durability
• Precision-machined threads ensure smooth installation and optimal torque transfer
• Black oxide finish provides corrosion resistance and a professional appearance
• Designed for use in various automotive applications, including engine, suspension, and chassis components
• Packaged in sets of five for convenience and cost-effectiveness
• Engineered to meet or exceed OEM specifications for safety and reliability
• Suitable for both professional mechanics and DIY enthusiasts seeking premium hardware
• Manufactured in the USA with strict quality control standards
• Compatible with a wide range of vehicle makes and models, especially Subaru vehicles from 2011 to 2025

Construction & Design

The ARP Hex Bolt Kits are crafted from premium alloy steel, which is heat-treated to achieve optimal tensile strength and fatigue resistance. The precision-machined threads ensure a perfect fit, reducing the risk of stripping or cross-threading during installation. The black oxide coating not only enhances corrosion resistance but also provides a low-reflective, professional finish that withstands harsh environments.

The hex head design allows for easy installation and removal using standard wrenches or sockets, ensuring compatibility with common tools. These bolts are engineered to withstand the rigors of high-performance driving, off-road conditions, and daily use, making them a reliable choice for any automotive project.

Performance & Reliability

Designed with strength and durability in mind, ARP Hex Bolt Kits provide a secure fastening solution that supports the integrity of your vehicle's assembly. While these bolts are not performance-enhancing components themselves, their high-quality construction ensures that your vehicle's critical parts remain securely fastened under demanding conditions. Their corrosion-resistant finish helps maintain their integrity over time, even in challenging environments.

Installation & Fitment

These hex bolts are designed for straightforward, bolt-on installation. They fit standard 3/8 inch - 16 threads and are compatible with a variety of automotive applications. No special tools or modifications are required for installation, making them suitable for both professional mechanics and DIY enthusiasts. Always torque to manufacturer specifications to ensure optimal performance and safety.

• Easy to install with standard wrenches or sockets
• No cutting, drilling, or special modifications needed
• Ideal for replacing worn or damaged fasteners or upgrading to high-quality hardware

What's Included

• Five (5) ARP Hex Bolts, 3/8in - 16 x 1.250, Black Oxide finish

Ideal For

• Automotive enthusiasts performing engine or chassis assembly
• Professional mechanics seeking reliable, high-strength fasteners
• Off-roaders and performance drivers requiring durable hardware
• Vehicle owners looking to replace worn or corroded bolts with premium quality parts

Emissions Note

This product is a high-quality fastener kit designed for standard automotive use. It does not impact emissions or vehicle legality and is suitable for use in vehicles that comply with local emissions regulations.