Description
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
| Part # | A/R | Inlet | Outlet | Wastegate | Divided |
|---|---|---|---|---|---|
| 757707-0011 | 1.01 | V-Band | V-Band | Free Float | No |
| 757707-0012 | 1.15 | V-Band | V-Band | Free Float | No |
| 757707-0013 | 1.28 | V-Band | V-Band | Free Float | No |
| 757707-0014 | 1.01 | T4 | V-Band | Free Float | Yes |
| 757707-0015 | 1.15 | T4 | V-Band | Free Float | Yes |
| 757707-0016 | 1.28 | T4 | V-Band | Free Float | Yes |
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.
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