Garrett 856801-5017S GTX3071R GenII Turbocharger V-Band/V-Band 0.83 A/R

Vehicle Fitment

• Universal performance turbocharger - not specific to any vehicle
• Commonly used in custom turbo systems and engine builds (~1.8 L-3.0 L)

Features

• Garrett GTX3071R Gen II complete turbocharger assembly
• Gen II compressor aerodynamics for increased flow and efficiency
• Ported shroud compressor design to reduce surge and expand operating range
• Dual ceramic ball bearing center housing for fast spool and durability
• Water- and oil-cooled center housing for thermal stability
• Integrated port for optional speed sensor installation
• Internal wastegate with V-Band inlet and outlet for secure exhaust connection
• Standard rotation configuration (clockwise)

Specifications

• Brand: Garrett
• Part Number: 856801-5017S
• Turbo Model: GTX3071R Gen II
• Supported Power Range: ~340-650 HP
• Recommended Displacement: ~1.8 L-3.0 L
• Compressor Wheel Inducer: ~54 mm
• Compressor Wheel Exducer: ~71 mm
• Compressor Trim: ~58
• Compressor A/R: ~0.60
• Compressor Inlet Size: ~4.00"
  Compressor Outlet Size: ~2.00"
• Turbine Wheel Inducer: ~60 mm
• Turbine Wheel Exducer: ~55 mm
• Turbine Trim: ~84
• Turbine Housing A/R: ~0.83
• Turbine Inlet Flange: V-Band
  Turbine Outlet Flange: V-Band
• Cooling: Water and oil-cooled CHRA
• Bearing Type: Dual ceramic ball bearings

Included Components

• 1x Garrett GTX3071R Gen II turbocharger assembly (CHRA, compressor housing, turbine housing)
• V-Band clamps included
• Note: Installation hardware, oil/coolant lines, gaskets, and hoses are not included

Product Description

The Garrett 856801-5017S GTX3071R Gen II Turbocharger is a high-performance forced-induction upgrade designed for custom turbo systems targeting approximately **340-650 HP** output. Part of Garrett's second-generation GTX lineup, this turbocharger features advanced compressor aerodynamics and a ported shroud design that enhances airflow efficiency and expands operating range compared with earlier GTX units. The integrated speed sensor port allows optional data logging or engine management integration, giving tuners additional insight during setup.

Equipped with a **0.83 A/R** turbine housing and robust dual ceramic ball bearings in a water- and oil-cooled center housing, this turbocharger offers a balance of quick spool-up and high-flow performance. The V-Band inlet and outlet provide secure exhaust connections suitable for a range of custom manifolds and exhaust designs. Because this is a **universal turbocharger assembly** - not tied to any specific vehicle make or model - it's ideal for bespoke forced-induction installations on engines typically around **1.8 L to 3.0 L** displacement when matched with the appropriate supporting hardware and tuning.