Cusco Type MZ Rear LSD 1.5 Way – Subaru WRX STI (R180 Differential, 02–21)

Overview

The Cusco Type MZ Limited Slip Differential is engineered for high-performance applications where maximum traction and durability are critical. Using a unique cone spring design, the Type MZ applies activation pressure in opposition to the initial torque direction—engaging the clutch packs in a linear, progressive manner. This design ensures smooth engagement, consistent response, and superior control in both street and motorsport conditions.

The Type MZ offers the highest initial torque rating of all Cusco LSD models. Its precision-machined chrome molybdenum steel housing and gears deliver exceptional strength, while Cusco’s proven construction ensures long-term reliability even under extreme load.

Key Features

• High initial torque for maximum traction and faster response
• Cone spring design delivers smooth, linear clutch engagement
• Fully rebuildable with customisable clutch plate configuration
• Enhanced oil channels improve lubrication and cooling
• High-strength chrome molybdenum steel housing and internals
• Proven reliability for circuit, rally, and time attack use

Specifications

• LSD Type: Mechanical clutch-type (cone spring actuation)
• Model: Cusco Type MZ
• Construction: Chrome molybdenum steel housing and gears
• Initial Torque: Highest in Cusco’s LSD range

What’s Included

• 1 x Cusco Type MZ Limited Slip Differential (R180 differential)
• Installation instructions

Vehicle Compatibility

• 2004–2007 Subaru Impreza WRX STI Sedan (GD, GDF)
• 2008–2014 Subaru Impreza WRX STI Hatchback (GR, GRB, GRF)
• 2011–2014 Subaru Impreza WRX STI Sedan (GV, GVB, GVF)
• 2005–2009 Subaru Legacy Sedan/Wagon 2.5L Turbo & NA (BL/BP)
• 2015–2021 Subaru WRX STI (VA, VAF)

The Cusco Type MZ LSD provides the strongest and most consistent locking characteristics in Cusco’s differential lineup—ideal for drivers demanding predictable traction and sharp response on both tarmac and gravel.