

Specifications
- Brand
- Action Clutch
- Part #
- ACR-1803

Action Clutch 04-21 Subaru WRX STI 2.5L (EJ257) Turbo AWD Stage 2 Clutch Kit (1SC)
$758.26
Action Clutch Stage 2 kit for 04-21 Subaru WRX STI 2.5L. Features a reinforced Kevlar disc and heavy-duty pressure plate for improved holding capacity.
Key Features
- Reinforced Steel-Backed segmented Kevlar friction disc — offers extended lifespan and good heat dissipation.
- Single diaphragm heavy-duty pressure plate — provides an OEM-like pedal feel after break-in.
- 110% increased holding capacity over factory kit — handles modified engines with bolt-ons or cams.
- Patented, fully enclosed spring retainers — keeps clutch springs contained for safety.
- Designed for street and occasional track use (circuit, time attack, road racing).
Fits these vehicles
- Subaru Impreza 2004-2014
- Subaru WRX STI 2015-2021
Product Details
Action Clutch's Stage 2 (1KS) clutch kit is the ideal choice for peak performance and long-term durability. The kit uses a reinforced Steel-Backed segmented Kevlar friction material, giving you superior strength that withstands day to day wear and tear. This kit features a single diaphragm heavy-duty pressure plate that provides an OEM-like pedal feel with smooth engagement after proper break in. In addition, the Kevlar material offers great advantages like extended lifespan, buttery smooth engagement and heat dissipation. Whether you have a basic bolt-on setup or more extensive engine modifications such as cams, this kit will get the job done. This clutch kit is not recommended for drag racing or drifting. At Action Clutch, safety is our top priority. We understand how catastrophic engine or transmission damage can be caused by springs popping out which is why we use our patented, fully enclosed spring retainers to keep your investment protected at all times. Every kit is quality checked by one of our experienced engineers (with over 60 years of collective experience) and signed off as safe before being released as a finished product. This gives you peace of mind knowing that your Action Clutch will perform consistently every time. 110% INCREASED HOLDING CAPACITY OVER FACTORY KIT STREET/TRACK APPLICATIONS (OCCASIONAL TRACK USE – CIRCUIT / TIME ATTACK / ROAD RACING)
Description
Clutch Kit (1KS) for Subaru WRX STI 2004-2021 2.5L DOHC (EJ257) AWDSpecifications
- Brand
- Action Clutch
- Manufacturer Part #
- ACR-1803
Frequently Asked Questions
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Action Clutch 04-21 Subaru WRX STI 2.5L (EJ257) Turbo AWD Stage 2 Clutch Kit (1SC)
