ARP Mandrel Bolt Kit

Multiple GM Fitments 2011–2025

Part #: 330-0709

Overview

The ARP Mandrel Bolt Kit is a high-quality hardware solution designed specifically for your GM vehicle's front drive mandrels. Crafted with precision and durability in mind, these bolts are essential for enthusiasts and professional mechanics seeking reliable, high-performance fasteners for demanding applications. Whether you're performing a rebuild, upgrade, or routine maintenance, these mandrel drive bolts ensure a secure fit and long-lasting performance.

Manufactured by ARP, a trusted name in high-performance fasteners, this kit offers enhanced strength and durability compared to standard hardware. Made from ARP's proprietary 8740 chromoly steel, these bolts are engineered to withstand the stresses of high-performance driving, off-road adventures, and heavy-duty use. The shot-peened finish not only provides an attractive appearance but also adds to the overall durability and fatigue resistance of each bolt. Designed with extended lengths and full thread engagement, these bolts help ensure a secure, reliable connection in your vehicle's front drive components.

Key Features

Designed for enthusiasts who demand the best, the ARP Mandrel Bolt Kit offers several key features that set it apart from OEM hardware:

• High-Strength Material: Crafted from ARP's 8740 chromoly steel, these bolts provide exceptional tensile strength and durability, supporting high-stress applications and demanding driving conditions.
• Extended Lengths: The bolts feature an underhead length of 5.500 inches, ensuring full thread engagement and a secure fit in your vehicle's mandrel drive points.
• Optimized Thread Design: With a 1.000-inch thread length and undercut design, these bolts provide the necessary stretch and flexibility for a reliable, long-lasting connection.
• Shot-Peened Finish: The shot-peened surface treatment enhances fatigue resistance and overall durability, making these bolts suitable for both street and off-road use.
• 12-Point Fastener Head: The 12-point head design allows for easier installation and removal in tight spaces, providing better torque application and reducing the risk of stripping.
• Full Thread Engagement: Ensures maximum holding power and reduces the risk of loosening under vibration or stress.
• Precision Manufacturing: ARP's meticulous manufacturing process guarantees consistent quality, fitment, and performance across every bolt in the kit.

Construction & Design

The ARP Mandrel Bolt Kit is constructed from high-grade 8740 chromoly steel, known for its excellent strength-to-weight ratio and toughness. Each bolt is carefully shot-peened to improve fatigue life and resistance to stress cracking. The extended length and full thread engagement design provide a secure fit, reducing the risk of loosening during high-performance driving or off-road conditions. The 12-point head allows for better access in tight spaces, making installation straightforward even in confined engine bays or chassis areas. ARP's precision manufacturing ensures each bolt meets strict quality standards, providing peace of mind during installation and long-term use.

Installation & Fitment

The ARP Mandrel Bolt Kit is a bolt-on upgrade that requires no cutting, drilling, or special modifications. Designed to fit multiple GM models from 2011 to 2025, these bolts replace OEM fasteners directly, ensuring a straightforward installation process. Proper torque specifications should be followed as per ARP's guidelines to achieve optimal clamping force and safety. The 12-point head design facilitates easier tightening and removal, even in tight or hard-to-reach areas. For best results, use a calibrated torque wrench to ensure proper installation and long-term reliability.

• Direct replacement for factory mandrel drive bolts
• No cutting, drilling, or tuning required
• Ideal for performance upgrades, rebuilds, or routine maintenance

What's Included

• Complete set of high-strength mandrel drive bolts
• Installation hardware and instructions (if applicable)

Ideal For

• Performance enthusiasts seeking durable, reliable fasteners
• Off-road drivers demanding high-strength hardware
• Rebuilds and upgrades of GM front drive components
• Professional mechanics and DIY enthusiasts