ARP Front Mandrel Bolt Kit

2011–2025 Subaru Forester / Subaru Impreza / Subaru WRX / Subaru STI 2.0L Turbo

Part #: 330-0701

Overview

The ARP Front Mandrel Bolt Kit is a high-performance fastener solution designed specifically for your vehicle's front drive mandrels. Crafted from premium materials and engineered for strength and durability, these bolts ensure reliable performance under demanding conditions. Whether you're a performance enthusiast, a professional builder, or a dedicated off-road adventurer, this bolt kit provides the confidence and security needed for your vehicle's critical components.

Designed with precision and attention to detail, these mandrel drive bolts help maintain optimal alignment and securement of your front drive mandrels. They are ideal for those looking to upgrade or replace factory fasteners with high-strength, reliable hardware that can withstand the rigors of spirited driving, off-road adventures, or heavy-duty use. With ARP's reputation for quality and innovation, you can trust these bolts to deliver consistent performance and peace of mind.

Key Features

ARP Front Mandrel Bolt Kit features advanced engineering and high-quality materials to ensure maximum strength and durability. The bolts are manufactured from ARP's proprietary 8740 chromoly steel, a material renowned for its exceptional tensile strength and toughness. This ensures that the fasteners can handle high-stress environments without stretching or failing.

• High-Strength Material: Made from ARP's 8740 chromoly steel, offering superior tensile strength and durability for demanding applications.
• Shot-Peened Finish: The bolts feature a shot-peened surface treatment that enhances fatigue strength and overall durability, extending the service life of the fasteners.
• Optimized Underhead Length: With a 6.000-inch underhead length, these bolts provide full thread engagement and secure fitment for your front drive mandrels.
• Undercut Design: The undercut design allows for the necessary extra stretch, ensuring proper preload and tension during installation.
• 12-Point Head Style: The 12-point head provides increased wrench engagement, making installation and removal easier in tight spaces.
• Precise Thread Engagement: The 1.100-inch thread length ensures full engagement with the mandrel, promoting secure fastening and reducing the risk of loosening under vibration.
• Designed for Performance: Engineered to withstand high torque loads and maintain integrity during high-performance driving or off-road conditions.
• Reliable and Consistent: ARP's manufacturing process guarantees consistent quality and fitment, making these bolts a trusted choice for enthusiasts and professionals alike.

Construction & Design

The ARP Front Mandrel Bolt Kit is meticulously crafted from ARP's high-strength 8740 chromoly steel, known for its excellent toughness and fatigue resistance. The shot-peened finish not only enhances the bolt's durability but also provides a smooth surface that resists corrosion and wear. The undercut design is carefully engineered to allow for the necessary stretch, ensuring optimal preload and tension when installed.

The 12-point head style offers increased wrench engagement, especially useful in tight or hard-to-reach areas, facilitating easier installation and removal. The bolts are precision-machined to exact specifications, ensuring a perfect fit with your vehicle's mandrel components. This attention to detail helps prevent issues such as stripping or cross-threading, providing a secure and reliable fastening solution.

Installation & Fitment

The ARP Front Mandrel Bolt Kit is a straightforward bolt-on upgrade that requires no special tools beyond standard wrenches. The bolts are designed to fit directly into your vehicle's existing mandrel mounting points, with full thread engagement for maximum holding power. No cutting, drilling, or additional modifications are necessary for proper installation.

• Ensure all components are clean and free of debris before installation.
• Apply ARP thread lubricant to ensure proper torque and prevent galling.
• Torque bolts to the manufacturer's specified settings to achieve optimal preload and secure fitment.

Always follow the recommended torque specifications and installation procedures to ensure safety and performance.

What's Included

• Complete set of ARP Front Mandrel Bolts (quantity as specified for your application)
• Installation instructions

Ideal For

• Performance enthusiasts upgrading or replacing front drive mandrel fasteners
• Off-road drivers seeking durable, high-strength hardware
• Professional builders and mechanics requiring reliable, high-quality bolts for demanding applications