Bilstein B12 Pro-Kit

2010–2013 Mazda 3

Part #: 46-258366

Overview

The Bilstein B12 Pro-Kit for the Mazda 3 is a comprehensive suspension upgrade designed to enhance your vehicle's handling, appearance, and overall driving experience. This kit combines high-performance Bilstein dampers with Eibach Pro-Kit springs, delivering a balanced blend of sportiness and comfort. Whether you're a daily driver seeking improved ride quality or an enthusiast looking for sharper handling, the B12 Pro-Kit provides a reliable and effective solution.

Engineered specifically for the Mazda 3 from 2010 to 2013, this suspension package offers a moderate lowering of approximately 24-40mm, reducing wheel gap and giving your vehicle a more aggressive stance. The carefully tuned dampers and springs work together to provide improved stability, reduced body roll, and enhanced responsiveness, making your driving more engaging and confident.

Key Features

The Bilstein B12 Pro-Kit is built with quality and precision in mind, offering several key features that benefit both daily driving and spirited performance:

• Complete suspension upgrade with Bilstein Performance dampers and Eibach Pro-Kit springs for optimized handling and aesthetics.
• Moderate lowering between 24-40mm (depending on application) to improve stance and reduce wheel arch gap.
• Bilstein dampers feature monotube design with digressive piston technology, providing consistent damping performance and durability.
• Eibach Pro-Kit springs are engineered for a progressive spring rate, ensuring a comfortable ride while enhancing cornering capabilities.
• Designed specifically for the Mazda 3 (2010–2013), ensuring perfect fitment and optimal performance.
• Improves suspension response, handling, and stability without sacrificing daily comfort.
• Manufactured with high-quality materials to withstand the rigors of daily driving and spirited use.

Construction & Design

The B12 Pro-Kit features Bilstein's renowned monotube dampers, which utilize a digressive piston design to deliver precise and consistent damping characteristics. These dampers are built with corrosion-resistant coatings and high-quality seals to ensure long-lasting performance. Paired with Eibach's Pro-Kit springs, which are crafted from high-tensile steel and finished with a durable coating, the kit offers a reliable upgrade that maintains ride quality and handling over time.

The springs are designed with a progressive spring rate, providing a smooth ride over uneven surfaces while firming up during aggressive cornering. The combination of these components results in a suspension system that enhances your Mazda 3's sporty feel and aesthetic appeal, all while maintaining excellent ride comfort for daily driving.

Installation & Fitment

The B12 Pro-Kit is a bolt-on suspension upgrade that is designed for straightforward installation. It utilizes the factory mounting points and requires no cutting or drilling. Basic tools and mechanical knowledge are recommended for proper installation. For optimal results, a professional alignment is highly advised after installation to ensure proper handling and tire wear.

• Designed specifically for the Mazda 3 (2010–2013)
• Moderate lowering of approximately 24-40mm
• No cutting, drilling, or complex modifications required

What's Included

• Bilstein Performance dampers (struts and shocks)
• Eibach Pro-Kit springs
• All necessary hardware and mounting components
• Installation instructions

Ideal For

This suspension kit is perfect for Mazda 3 owners seeking a balanced upgrade that improves handling, stance, and aesthetics. It is suitable for daily drivers, weekend enthusiasts, and anyone looking to elevate their vehicle's performance without sacrificing comfort.