SSR SSR MK-I Lug Nut w/ Washer

2011–2025 Subaru Forester / Subaru Impreza / Subaru WRX / Subaru STI 12x1.25mm, PCD 114.3mm

Part #: PARTS037G

Overview

The SSR MK-I Lug Nut with Washer is a high-quality wheel fastener designed to provide a secure and stylish connection between your wheels and vehicle hub. Crafted for enthusiasts who demand both performance and aesthetics, these lug nuts are an essential upgrade for your Subaru or other compatible vehicles. Whether you're customizing your ride or replacing worn-out hardware, the SSR MK-I Lug Nut offers durability, precision fitment, and a sleek appearance.

Engineered to meet the demands of daily driving, spirited street use, and even light track days, these lug nuts help ensure your wheels stay firmly in place under various driving conditions. The inclusion of a washer enhances the clamping force and helps distribute load evenly, reducing the risk of damage to your wheels or studs. With their robust construction and attention to detail, SSR lug nuts are a reliable choice for both casual drivers and performance enthusiasts.

Key Features

The SSR MK-I Lug Nut with Washer combines quality materials and thoughtful design to deliver a superior fastening solution. Key features include:

• Manufactured from high-strength steel for excellent durability and resistance to corrosion, ensuring long-lasting performance even in harsh conditions.
• Precisely machined M12x1.25 thread size, compatible with a wide range of wheels and vehicles, particularly popular among Subaru models with 114.3mm bolt pattern.
• Includes a washer that helps distribute clamping force evenly across the wheel surface, reducing stress on the wheel and studs.
• Finished with a corrosion-resistant coating, providing a sleek appearance and protection against rust and environmental elements.
• Designed with a standard hex size for easy installation and removal using common lug wrenches or impact tools.
• Ideal for aftermarket wheels, OEM replacements, or upgrading your existing lug hardware for improved style and security.
• Compatible with a variety of vehicle makes and models that utilize the M12x1.25 PCD 114.3mm bolt pattern, making it a versatile choice for wheel upgrades.

Construction & Design

The SSR MK-I Lug Nut features a one-piece steel construction that ensures strength and reliability. Its precision-machined threads guarantee a perfect fit, minimizing the risk of cross-threading or loosening during operation. The lug nut's design incorporates a conical seat, which provides optimal contact with the wheel for secure fastening. The durable finish not only enhances aesthetic appeal but also offers excellent corrosion resistance, making these lug nuts suitable for daily driving and outdoor use.

The inclusion of a washer is a thoughtful addition that helps distribute load evenly, reducing stress on the wheel and extending the lifespan of both the lug nut and wheel assembly. The overall design emphasizes ease of installation and removal, with a standard hex size that fits most lug wrenches and impact guns.

Performance & Sound

While primarily designed for secure wheel attachment, the SSR MK-I Lug Nut also contributes to a clean, finished look for your vehicle. Its robust construction ensures that your wheels stay firmly in place, providing peace of mind during spirited driving or daily commutes. The high-quality materials and precise manufacturing help prevent loosening or stripping, maintaining consistent performance over time.

Installation & Fitment

The SSR MK-I Lug Nut with Washer is a straightforward, bolt-on upgrade that requires no special tools beyond a standard lug wrench or impact gun. Its M12x1.25 thread size and 114.3mm PCD make it compatible with many Subaru models, including Forester, Impreza, WRX, and STI, as well as other vehicles with similar specifications. No cutting, drilling, or tuning is necessary for installation. Simply remove your existing lug nuts and replace them with these high-quality replacements for a secure and stylish upgrade.

• Easy to install with standard tools
• Direct replacement for factory lug nuts or aftermarket upgrades
• No additional modifications required

What's Included

• Single SSR MK-I Lug Nut with Washer

Ideal For

• Subaru owners upgrading or replacing wheel hardware
• Performance enthusiasts seeking durable, stylish lug nuts
• Car enthusiasts who want to ensure wheel security and aesthetics
• Anyone looking for a reliable, corrosion-resistant lug nut for daily driving or light track use

Emissions Note

This product is designed for wheel attachment and does not impact vehicle emissions. It is a standard replacement part and complies with general safety and quality standards.