March 10, 2025

Garrett - G Series Gen II Turbochargers

Garrett - G Series Gen II

Garrett have stepped up their already well performing G Series Gen I Turbochargers with their new Gen II Turbo range. With a Ceramic Dual Ball bearing, a new compressor wheel design and a Mar-M Alloy turbine wheel, the Gen 2 turbos have allowed to push up to 10% higher compressor flow. Goleby's Parts are your one stop shop for: complete turbos, JZ complete turbo kits or a CHRA upgrade for your existing Gen 1.

Shop the Garrett G-Series Gen II range HERE.

Turbochargers Available:

G25-585 Gen II - T25/V-Band/Reverse Rotation

G25-700 Gen II - T25/V-Band/Reverse Rotation

G30-725 Gen II - T3/T4/V-Band/Reverse Rotation

G30-825 Gen II - T3/T4/V-Band/Reverse Rotation

G35-990 Gen II - T3/T4/V-Band/Reverse Rotation

Whether you’re a kit maker or an owner of a high-performance vehicle, now you can harness the power of motorsport legends and experience the durability of champions in your car with the NEW G-Series II universal Performance Turbos line from Garrett. Designed with the same quality and craftmanship that has powered motorsport legends for over 4 decades. G-Series II turbochargers are available in multiple frame sizes to suit your individual needs.

The new key features of the Garrett G Series Gen II are:

New compressor aero technology increases power and performance

Direct upgrade path for Gen I customers with just a CHRA purchase

G-Series II utilizes Gen I compressor and turbine housings

Up to 10% higher compressor flow compared to G-Series Gen I at peak pressure ratio and peak turbo RPM

Engine calibration required to take advantage of increased flow for a horsepower upgrade

Increased efficiency at high flow rates

Mar-M alloy turbine wheel rated up to 1050° C

Complete assembly with 0.83 V-Band Stainless steel turbine housing, rated up to 1050° C

Oil restrictor and water fittings included

Easy Upgrade for G-Series I Owners:

The G-Series II utilizes the compressor and turbine housing from G-Series I, allowing you to reuse Gen I custom-coated or fabricated compressor housings. This makes upgrading to G-Series II easy and convenient. Enthusiasts can also use/reuse Gen I turbine housings. For customers upgrading from G-Series I and planning to reuse their turbine and compressor housings, please refer to the CHRA part numbers to purchase just the center housing rotating assembly.