ARP Main Stud Kit

Fitment: Nissan KA24DE Engines (2011–2025)

Part #: 102-5401

Overview

The ARP Main Stud Kit for Nissan KA24DE engines is a high-quality performance upgrade designed to improve the strength and reliability of your engine's main cap assembly. Crafted specifically for high horsepower and high RPM applications, these studs help prevent main cap walk and fretting, which are common causes of engine damage over time. Whether you're building a race engine or enhancing the durability of your daily driver, this kit offers a robust solution to support your engine's demanding performance needs. Made from premium materials, these studs are engineered to withstand extreme conditions and provide consistent, secure clamping force during operation.

Key Features

This ARP Main Stud Kit features a precision-machined design with high-strength alloy steel construction, ensuring maximum durability and resistance to fatigue. The studs are designed to provide a more uniform clamping load compared to stock fasteners, reducing the risk of main cap movement under high-stress conditions. The kit includes all necessary hardware for a straightforward installation, making it an ideal upgrade for engine builders and enthusiasts seeking to reinforce their KA24DE engine's core components. Its engineered thread design ensures secure engagement and long-lasting performance, supporting high-performance applications with confidence.

Construction & Design

The studs are manufactured from ARP's proprietary 2000 series alloy steel, known for its exceptional strength and fatigue resistance. The precise machining and surface treatments enhance durability and ensure consistent torque retention. The design incorporates a fine thread pitch for optimal engagement and load distribution, contributing to the overall integrity of the engine assembly.

Installation & Fitment

Installation requires standard hand tools and should be performed by experienced technicians familiar with engine assembly. Proper torque specifications must be followed to ensure optimal clamping force and to prevent thread damage. Fitment should be verified against the vehicle's specifications and the part number provided.

What’s Included

The kit includes all main studs, nuts, and washers necessary for a complete upgrade of the main cap assembly on Nissan KA24DE engines.

Ideal For

This product is ideal for engine builders, racers, and enthusiasts looking to strengthen their Nissan KA24DE engine for high-performance applications, including racing, tuning, or long-term durability upgrades.