Air and Fuel Superchargers, Turbochargers and Components

HKS

EJ207 Actuator Upgrade Kit

$260.00

SKU: 14030-AF001

In Stock
In Stock
Ships by Aug 2
Free Shipping over $100
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The HKS Actuator Upgrade Kit is engineered to enhance the performance of Subaru Impreza WRX/STi models equipped with the EJ207 engine. The kit features an adjustable rod type design, allowing for fine-tuning of the internal wastegate settings. This actuator upgrade is compatible with a range of Subaru Impreza models, including the GRB (A-B) and GRB (C-G) generations, as well as GDB (C-G) models. It is designed for use with the MY10/2007-08/2014 model years. The boost pressure range for this kit is 76.3-88.3kPa (0.8-0.9kgf/cm2). Installation of this kit may require further adjustments, such as boost control by an EVC (Electronic Boost Controller). It is recommended for those looking for the next step in boost-up performance beyond factory specifications.

MIA's Description

The HKS Actuator Upgrade Kit is designed for the Subaru Impreza WRX/STi with the EJ207 engine. This kit prevents boost drop at high RPM ranges through EVC setting and improves spooling boost. It is compatible with GRB (A-B) and GRB (C-G) models, as well as GDB (C-G) models.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandHKS
Part Number14030-AF001
CategoryAir and Fuel

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy