ARP Studs

2010–2025 Universal Fit for Air Cleaner Assemblies

Part #: 400-0304

Overview

The ARP Studs (400-0304) are high-quality air cleaner studs designed to enhance your engine's airflow capabilities. Crafted by ARP, a renowned name in performance fasteners, these studs allow you to install larger air filters in your air filter assembly, helping you maximize airflow and potentially improve engine performance. Whether you're a daily driver, a performance enthusiast, or involved in off-road adventures, these studs provide a reliable solution to upgrade your air intake system.

By replacing the factory studs with these durable, polished stainless steel studs, you can accommodate larger filters that help your engine breathe better. This can lead to improved throttle response, increased airflow, and support for minor performance modifications. ARP's attention to material quality and manufacturing precision ensures that these studs will provide long-lasting service under demanding conditions.

Key Features

ARP Studs (400-0304) are engineered with performance and durability in mind. Here are some of the key features that make these studs an excellent upgrade for your air cleaner assembly:

• Premium Materials: Made from high-grade stainless steel, these studs resist corrosion and maintain strength over time, even in harsh engine bay environments.
• Polished Finish: The polished surface not only enhances the aesthetic appeal but also provides an extra layer of corrosion resistance.
• Optimal Length and Threading: With a length of 2.23 inches and 1/4-inch-20 thread size, these studs are designed to fit a wide range of air cleaner setups, ensuring compatibility and ease of installation.
• Complete Kit: Each kit includes the stainless steel stud and a matching hex nut, simplifying installation and ensuring a secure fit.
• Enhanced Airflow: By allowing for larger filters, these studs help increase the volume of air entering your engine, which can support better combustion and performance.
• Easy to Install: Designed for straightforward bolt-on installation, these studs require no modifications or special tools beyond standard hand tools.
• Versatile Compatibility: Suitable for a variety of air cleaner assemblies across different vehicle makes and models, thanks to their universal thread size and length.

Construction & Design

The ARP Studs are constructed from polished stainless steel, combining strength, corrosion resistance, and a sleek appearance. The studs feature a precise 1/4-inch-20 thread, ensuring compatibility with most standard air cleaner assemblies. Their 2.23-inch length provides ample clearance for larger filters, making them ideal for enthusiasts seeking to upgrade their intake systems without extensive modifications.

The polished finish not only adds a refined look but also helps prevent rust and corrosion, ensuring longevity even in demanding environments. The design includes a hex nut for easy tightening and removal, allowing for quick upgrades or maintenance. ARP's manufacturing process guarantees consistent quality and precise threading, ensuring a secure and reliable fit every time.

Performance & Benefits

While these studs are primarily a hardware upgrade, their impact on your vehicle's performance can be significant. By enabling the installation of larger air filters, they help improve airflow into the engine, which can support increased horsepower and torque. Better airflow can also contribute to more responsive throttle behavior and potentially improved fuel efficiency.

These studs are an excellent choice for those looking to optimize their air intake system, whether for daily driving, spirited street use, or off-road adventures. Their durable construction ensures they will withstand the rigors of high-performance environments, providing a reliable upgrade that lasts.

Installation & Fitment

The ARP Studs (400-0304) are designed for easy bolt-on installation. Simply remove the existing air cleaner studs and replace them with these high-quality stainless steel studs. The included hex nuts secure the filter assembly firmly in place. No cutting, drilling, or additional modifications are required, making this a straightforward upgrade for most vehicles with compatible air cleaner setups.

• Compatible with a wide range of air cleaner assemblies that use 1/4-inch-20 threaded studs.
• Installation typically takes less than 30 minutes with basic hand tools.
• No special tuning or adjustments are necessary after installation.

What's Included

• Stainless steel air cleaner stud (1 piece)
• Hex nut for securing the stud

Ideal For

• Performance enthusiasts seeking to upgrade their air intake system
• Off-roaders who need durable, corrosion-resistant hardware
• DIY mechanics looking for a simple, effective upgrade
• Anyone wanting to maximize airflow and support minor performance modifications

Emissions Note

This product is designed for use in non-emissions-critical applications. Please verify local regulations before installation if emissions compliance is a concern. ARP studs are intended for off-road or racing use only and may not be legal for street use in all jurisdictions.