ARP Main Studs

Part #: 202-5801

Overview

The ARP Main Studs are high-quality engine fasteners designed specifically for Nissan 350Z and Infiniti G35 models from 2003 to 2009. Crafted with precision and durability in mind, these studs are engineered to replace factory main bolts, providing a more secure and reliable connection for your engine’s main caps. They are ideal for enthusiasts and professionals seeking to enhance engine stability, especially during high-performance applications or engine rebuilds. Made from premium materials, these studs help prevent main cap walk and fretting, ensuring your engine maintains optimal alignment and integrity under demanding conditions. Their robust construction supports long-lasting performance and peace of mind during engine operation.

Key Features

Designed to meet aerospace-grade standards, ARP main studs feature advanced manufacturing processes and materials for superior strength and durability. Each kit includes hardened, parallel-ground washers and aerospace-quality fasteners, ensuring precise fitment and reliable clamping force. The studs are engineered to withstand high torque loads and thermal stresses, helping to maintain engine integrity over time. Their design promotes consistent torque retention and reduces the risk of thread damage, making them a trusted choice for engine builders and tuners. ARP’s attention to detail and rigorous quality control make these studs a dependable upgrade for your vehicle’s engine assembly.

Construction & Design

Manufactured in ARP’s own facility, these main studs are made from high-grade alloy steel, heat-treated for maximum strength and fatigue resistance. The design incorporates a fine thread pitch for secure engagement and optimal load distribution, while the parallel-ground washers ensure even clamping pressure. The precision machining and coatings provide corrosion resistance and longevity, supporting sustained engine performance.

Installation & Fitment

Installation requires proper torque specifications and should be performed by experienced technicians familiar with engine assembly. These studs are designed to replace the original factory hardware and are compatible with the specified Nissan and Infiniti models. Verify fitment against your vehicle’s specifications before installation to ensure proper application.

What’s Included

The kit includes all necessary studs and hardened washers for complete installation, providing a comprehensive solution for securing your engine’s main caps.

Ideal For

Perfect for engine rebuilds, performance upgrades, or high-stress driving conditions, ARP main studs help maintain engine stability and reliability, supporting your vehicle’s performance and longevity.