Cusco RS Rear Limited-Slip Differential

Universal Fitment

Part #: LSD 183 L15

Overview

The Cusco RS Rear Limited-Slip Differential is a high-performance drivetrain component designed to enhance traction and handling for driving enthusiasts and motorsport competitors. Engineered with precision, this 1.5-way LSD helps distribute power more effectively to the wheels, improving stability during aggressive cornering and spirited driving. Suitable for a range of applications, it is ideal for those seeking to optimize their vehicle’s response, durability, and overall driving dynamics. Whether for track days or spirited street driving, this differential supports your vehicle’s performance with reliable, high-quality engineering.

Key Features

This Cusco LSD features a robust design focused on delivering consistent power transfer and improved handling characteristics. Its key features include:

• Precision-machined components for durability and reliability
• 1.5-way operation for balanced front and rear torque biasing
• High-grade friction plates for smooth engagement and longevity
• Optimized for motorsport and high-performance street use
• Designed to improve cornering grip and reduce wheel spin
• Constructed with high-strength materials to withstand demanding driving conditions
• Easy installation compatible with Subaru WRX models from 2002-2019

Construction & Design

The Cusco RS Rear LSD is crafted from high-strength steel with precision machining to ensure exact fitment and long-lasting performance. Its internal clutch packs and friction plates are engineered for consistent engagement, providing a reliable limited-slip function that enhances vehicle handling and driver confidence during aggressive maneuvers.

Driving Feel & Feedback

This limited-slip differential offers a noticeable improvement in cornering stability and traction, delivering a more connected and responsive driving experience. It helps reduce wheel spin and enhances grip, especially during high-load turns, providing a confident and engaging feel for the driver.

Installation & Fitment

Installation requires mechanical expertise and should be performed by qualified technicians. Fitment is designed specifically for the Subaru WRX models from 2002 to 2019, but verification against your vehicle’s specifications is recommended to ensure compatibility.

What’s Included

The package includes the Cusco RS Rear Limited-Slip Differential assembly, along with necessary hardware for installation. Additional components or tools are not included and may be required for proper installation.