Perrin Performance M10x1.25x37mm Stud Kit W/Nuts

2002–2007 Subaru WRX / 2004–2018 Subaru WRX STI

Part #: PSP-EXT-098

Overview

The Perrin Performance M10x1.25x37mm Stud Kit with Nuts is an essential upgrade for Subaru WRX and WRX STI owners who want a reliable and durable solution for replacing worn or sheared studs during engine modifications or repairs. Designed specifically for the Subaru WRX from 2002 to 2007 and the WRX STI from 2004 to 2018, this stud kit ensures a secure and precise fit when installing up-pipes, headers, downpipes, or turbos. Whether you're a daily driver, a performance enthusiast, or a professional mechanic, this kit simplifies the installation process and helps maintain the integrity of your vehicle's exhaust and turbo systems.

Replacing factory studs can be challenging due to corrosion, heat, and repeated removal, which often leads to sheared or damaged studs. Perrin's stud kit provides a high-quality, reliable alternative that allows for easier installation and removal, reducing the risk of damage and ensuring your vehicle maintains optimal performance. With these durable studs and nuts, you'll get peace of mind knowing your components are securely fastened, supporting consistent performance and longevity of your turbocharged Subaru.

Key Features

Perrin Performance has engineered this stud kit with precision and durability in mind, making it an ideal choice for Subaru enthusiasts and professional technicians alike. The key features include:

• Constructed from high-quality materials that withstand extreme heat and corrosion, ensuring long-lasting performance in demanding conditions.
• Designed with a 10x1.25mm thread pitch and 37mm length, perfectly matching OEM specifications for Subaru WRX and WRX STI models.
• Includes five replacement studs and five nuts, providing a complete set for multiple repairs or replacements.
• Manufactured with tight tolerances for a precise fit, reducing installation time and minimizing the risk of cross-threading or damage.
• Corrosion-resistant finish enhances durability and maintains appearance over time.
• Ideal for replacing sheared or damaged studs during turbo or exhaust system upgrades, or routine maintenance.
• Designed to support the installation of aftermarket and OEM components with confidence.

Construction & Design

This stud kit features high-strength steel construction, meticulously machined to exact specifications for a perfect fit. The studs are engineered with a durable, corrosion-resistant coating to withstand the harsh environment of the engine bay, including high temperatures and exposure to moisture. The nuts are designed to thread smoothly onto the studs, providing secure fastening without stripping or cross-threading. The overall design ensures ease of installation and removal, even in tight spaces, making it a reliable choice for both professional mechanics and DIY enthusiasts.

Installation & Fitment

The Perrin M10x1.25x37mm Stud Kit is designed for straightforward, bolt-on installation. No cutting, drilling, or special tools are required beyond standard hand tools. The studs thread directly into the existing threaded holes in your engine block or exhaust manifold, and the nuts secure the components firmly in place. The precise dimensions ensure a perfect fit for the specified Subaru models, making installation quick and hassle-free. Always verify the thread pitch and length before installation to ensure compatibility.

• Easy bolt-on installation with common hand tools
• No cutting or drilling required
• Designed specifically for Subaru WRX (2002-2007) and WRX STI (2004-2018)

Proper torque specifications should be followed during installation to ensure optimal clamping force and prevent damage. This kit is suitable for both professional repairs and DIY upgrades, providing a reliable solution for maintaining your vehicle's turbo and exhaust systems.

What's Included

• Five high-quality M10x1.25mm studs
• Five matching nuts

Ideal For

• Subaru WRX and WRX STI owners performing turbo or exhaust upgrades
• Mechanics replacing sheared or damaged studs
• Enthusiasts seeking a durable, reliable fastening solution
• Anyone looking to simplify future repairs and maintenance