ARP Head Stud Kits

Part #: 218-4703

Overview

The ARP Head Stud Kit is a high-quality fastening solution designed for performance-oriented engines. Crafted from premium materials, these cylinder head studs are engineered to provide superior strength, durability, and consistent clamping force. Ideal for automotive enthusiasts and professional builders, this kit ensures reliable head gasket sealing under high-performance conditions. Whether you're rebuilding a stock engine or building a race-ready setup, these studs help maintain proper cylinder head alignment and prevent head gasket failure, supporting optimal engine operation and longevity.

Key Features

This ARP Pro Series Head Stud Kit offers advanced features to enhance your engine assembly:

• Cold-forged steel construction for molecular integrity and strength
• Heat-treated prior to thread rolling and machining for durability
• Complete with hardened parallel washers for even load distribution
• Available with 12-point nuts for secure fastening
• Designed to withstand high torque loads and thermal cycling
• Compatible with a wide range of Mazda engine models
• Precision machined for accurate fitment and consistent torque readings

Construction & Design

These studs are manufactured from high-grade, cold-forged steel, ensuring maximum tensile strength and resistance to fatigue. The heat treatment process enhances their structural integrity, making them suitable for demanding performance applications. The inclusion of hardened parallel washers ensures an even load distribution across the cylinder head, reducing the risk of warping or uneven compression.

Installation & Fitment

Installation requires proper torque specifications and should be performed following manufacturer guidelines. Fitment details vary by Mazda model, so verify compatibility with your specific engine before installation. The kit is designed as a direct replacement for stock fasteners, offering a straightforward upgrade for engine builders.

What’s Included

The kit includes all necessary studs, hardened washers, and nuts required for a complete installation, providing everything needed for a secure and reliable head fastening solution.