Cusco Limited Slip Differential

Fitment: Mazda Miata NCEC (06-09)

Part #: LSD 428 L15

Overview

The Cusco Type RS 1.5 Way Limited Slip Differential is a high-performance upgrade designed specifically for Mazda Miata models from 2006 to 2009. This LSD enhances traction and handling by distributing power more effectively between the wheels, especially during cornering and aggressive driving. Ideal for enthusiasts seeking improved lap times, better control, and a more engaging driving experience, this differential is engineered to support spirited driving and track use. Its adjustable settings allow you to customize the locking behavior to match your driving style and conditions, making it a versatile choice for both street and track applications. The Type RS features a unique spring mechanism that absorbs initial torque, providing a smoother engagement compared to other LSDs, with lower friction and reduced power loss, translating into more responsive handling and increased durability over time.

Key Features

This Cusco LSD is built with precision components and innovative design to deliver reliable performance and enhanced driving dynamics. Its key features include:

• 2 of 3 adjustable settings for customizable locking performance
• Spring-based mechanism for smooth initial torque engagement
• Lower friction design for improved response and reduced power loss
• Durable construction with high-quality materials for long-lasting performance
• Engineered specifically for Mazda Miata NCEC (06-09) models
• Supports aggressive cornering and high-speed driving
• Easy to overhaul and adjust without specialized tools

Construction & Design

The Cusco Type RS LSD features a robust steel housing and precision-machined internal components designed to withstand the rigors of high-performance driving. Its spring mechanism is engineered for consistent engagement and smooth operation, ensuring reliable traction support under demanding conditions. The design emphasizes durability, heat resistance, and minimal friction, making it suitable for both street and track use.

Driving Feel & Feedback

This limited slip differential enhances vehicle response by providing more predictable power transfer during cornering, resulting in improved handling and stability. Drivers will notice a more confident feel through turns, with reduced wheel spin and better grip, especially during aggressive maneuvers. The adjustable settings allow fine-tuning of the locking behavior to match your driving style, whether for spirited street driving or competitive track days.

Installation & Fitment

Installation of the Cusco Type RS LSD requires mechanical expertise and should be performed by qualified technicians familiar with differential upgrades. Proper setup and adjustment are essential to maximize performance and longevity. Fitment verification against your vehicle's specifications is recommended to ensure compatibility.

What’s Included

The package includes the Cusco Type RS Limited Slip Differential unit, along with all necessary hardware for installation and adjustment instructions. Additional components or tools are not typically required but should be confirmed based on your vehicle's existing setup.