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Air and Fuel› Superchargers, Turbochargers and Components

Arashi

TD05H-20G-8cm Turbocharger

Name: TD05H-20G-8cm Turbocharger
Brand: Arashi
SKU: SU-025652-02

$779.00 $642.29 Save $136.71

SKU: SU-025652-02

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Overview

The Arashi TD05H-20G-8cm turbocharger is a journal bearing upgrade designed for Subaru Impreza WRX STI GRB/GRF models with the EJ25 engine. It features a billet 20G compressor wheel and a TD05H turbine wheel, designed to support 320-420 horsepower. This turbocharger is water and oil cooled and includes a 1.1 bar spring pre-installed on an adjustable actuator.

Show original supplier description

The Arashi TD05H-20G-8cm is a journal bearing turbocharger engineered as an upgrade for Subaru Impreza WRX STI GRB and GRF models equipped with the EJ25 engine. This unit is designed to replace stock turbochargers such as the TD04 49377-04502, TD05H 49178-06310, and the IHI RHF55 VF39, VF43, or VF48. This turbocharger features a robust Arashi Racing 360-degree upgrade journal bearing system for enhanced durability and performance. The compressor side boasts a 52.5/68mm (GTX 11 Blades) billet 20G wheel, paired with a 2.25" inlet and a 0.77 A/R compressor housing. On the exhaust side, it utilizes a TD05H turbine wheel with dimensions of 49.2/55.8mm (9 Blades) and an 8cm² (0.57 A/R) turbine housing. The cooling system is a dual Water & Oil Cooled setup. Designed for a horsepower support range of 320-420 HP, this turbocharger comes complete with gaskets, extra springs, and an install kit. It features a standard Subaru single scroll flange and includes an adjustable actuator with a pre-installed 1.1 bar spring, offering 18 adjustment points for application tuning. The Arashi TD05H-20G-8cm turbocharger is specifically recommended for the following Subaru models: 2008-2014 Subaru Impreza WRX STI Hatchback, 2010 Subaru Impreza WRX STI Special Edition Hatchback, 2011-2014 Subaru Impreza WRX STI Limited Sedan, 2011-2014 Subaru Impreza WRX STI Limited Hatchback, 2011-2014 Subaru Impreza WRX STI Sedan, and the 2015 Subaru Impreza (Base).

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

Brand	Arashi
Part Number	SU-025652-02
Category	Air and Fuel

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