EJ20/25

Subaru/Toyota EJ20/EJ25 WRX STi Valve Stem Seal Valve stem seals to suit modern Japanese engines

Kelford Cams - EJ20/EJ25 + 1JZ/2JZ Exhaust Valve Stem Seal Stem 5mm. Guide OD 9.7mm. Seal OD 11.5mm. Viton.

Suits: Plug 'n' Play replacement of the factory ECU for Subaru WRX MY99-00 (Australian Delivered and JDM) Manual transmission only. Includes: Elite...

Introducing the ultimate solution to your 2022 VB WRX's restrictive and unsightly factory chargepipe - the upgraded Chargepipe from Process West! S...

Performance Cams for Subaru EJ20 WRX STi Non-AVCS (Version 5-6) This range of Kelford Camshafts suit the Version 5-6 engines that do not have AVCS....

Subaru WRX V3-4 EJ20 Plug-in ECU Easy to install. Affordable. Reliable.  G4X Plug-in ECUs offer the latest in engine management technology, design...

This range of Kelford high performance camshafts is to suit Subaru EJ25 WRX STi with AVCS (2004 - Current) equipped with Subaru's awesome AVCS (Ac...

Subaru WRX  EJ20 / EJ25 Engine High performance ‘PACALOY’ valve spring and Titanium retainer kit. 85lb seat pressure at 35.6mm inst...

Subaru WRX & WRX STI V11 EJ20/EJ25 Turbo Plug-in ECU Easy to install. Affordable. Reliable.  G4X Plug-in ECUs offer the latest in engine manag...

Subaru WRX V10 EJ25 Plug-in ECU Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designed...

Subaru WRX V10 EJ25 Plug-in ECU Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designed...

Subaru WRX V7-9 EJ20 Plug-in ECU Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine management technology, designe...

Subaru WRX V5-6 EJ20 Plug-in ECU Easy to install. Affordable. Reliable. G4X Plug-in ECUs offer the latest in engine management technology, designed...

Subaru WRX V1-2 EJ20 Plug-in ECU Easy to install. Affordable. Reliable. G4X Plug-in ECUs offer the latest in engine management technology, designed...

The Process West Engine Cover Garnish is finished in an attractive and durable wrinkle coat. Available in both red or black its a great alternative...

With the port profile machined to suit ported heads these are a simple upgrade to maximise airflow in all conditions. Available in two lengths, 79m...

The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is design...

The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is design...

The Y-Pipe is the connection between the turbo compressor outlet and the intercooler. This pipe due to the design of most Subaru top mount intercoo...

Taking a fresh approach formed from years of motorsport and component design experience, Process West are proud to announce the new 'Verti-Cooler' ...

Taking a fresh approach formed from years of motorsport and component design experience, Process West are proud to announce the new ‘Verti-Cooler’ ...

The goal when developing our new top mounted intercooler was to make it the very best aftermarket top mounted intercooler for WRX/STi... period. We...