Garrett G-Series G42-1200 Compact

Garrett G42-1200 Compact Turbocharger

Horsepower: 475 - 1200 HP
Displacement: 2.0L - 7.0L

Features

• G-Series Compressor Aerodynamics for maximum power
• 73mm Compressor Inducer with a compact housing for space savings
• Fully Machined Speed Sensor & Pressure Ports
• New Turbine Wheel Aero for improved flow and efficiency
• Stainless Steel Turbine Housings with V-band & T4 options
• Water Fittings Included
• 1200 HP Capable
• Supercore Part Number: 860778-5002S

⚠ Max Speed: 118,000 RPM – Exceeding this limit risks damage. A speed sensor (sold separately) is recommended for monitoring.

Performance depends on modifications and tuning. Horsepower ratings reflect total turbo capability based on compressor map data.

Important Product Information

• Designed for racing vehicles not legal for public roads.
• Modifications using Garrett kits are at the owner's risk.
• May affect vehicle warranty, emissions compliance, and legality.
• Users must ensure proper installation, operation, and compliance with laws.

Reference Data

Compressor

• Inducer: 73mm | Exducer: 91mm | Trim: 65 | A/R: 0.90

Turbine

• Inducer: 82mm | Exducer: 75mm | Trim: 84

Turbine Housing Options

Additional Highlights

• 10-Blade CFD-Engineered Compressor Wheel for improved response
• Fully Machined Ported Shroud to reduce compressor surge
• Speed Sensor Port allows monitoring (sensor sold separately)
• Aluminum Backplate for weight reduction
• Twin Piston Rings & Oil Deflector to minimize leaks
• 10mm Ceramic Dual Ball Bearing Cartridge for durability
• Inconel Turbine Wheel (up to 950°C) with 10% more flow & 77% efficiency
• Stainless Steel Turbine Housings withstand extreme temperatures

Downloads

• Configuration Guide | Compressor Map | Exhaust Flow Chart
• Flange Diagram | Speed Sensor Installation

For peak performance and reliability, proper installation and tuning are essential.