Action Clutch Action Clutch

Fitment: Subaru WRX STI (04-21)

Part #: ACR-1802-2OS

Overview

The Action Clutch Stage 1 HD Clutch Kit is a high-performance upgrade designed specifically for Subaru WRX STI models from 2004 to 2021. This kit is ideal for enthusiasts seeking a reliable, durable clutch solution that supports increased torque and improved engagement without sacrificing drivability. Whether you are running a stock setup or have added basic bolt-ons, this clutch kit enhances your vehicle’s response and handling, providing a confident driving experience. Its robust construction ensures longevity and consistent performance under demanding conditions, making it a popular choice for daily drivers and spirited enthusiasts alike.

Key Features

This clutch kit features a reinforced Steel Backed Copper Kevlar Organic friction material, engineered for high durability and heat resistance. The single diaphragm heavy-duty pressure plate delivers increased clamping force, resulting in higher torque capacity and smoother engagement. Designed with a focus on reliability and performance, it provides a heavier pedal feel compared to the Stage 1 (1OS) kit, offering a more engaged driving experience. The components are engineered to withstand the rigors of spirited driving while maintaining a factory-like feel during everyday use.

Construction & Design

The clutch components utilize high-quality, reinforced materials to ensure durability and consistent performance. The Steel Backed Copper Kevlar Organic friction material is selected for its excellent heat dissipation and wear resistance, supporting prolonged use under increased load. The pressure plate is designed for robust clamping force, with structural integrity to handle higher torque levels without deformation or slippage.

Driving Feel & Feedback

This Stage 1 HD clutch kit provides a heavier pedal feel that offers improved engagement feedback, giving you a more connected driving experience. The increased clamping force ensures reliable power transfer and slip-free operation, supporting confident acceleration and smooth shifting. The kit is designed to enhance the overall driving response, especially during spirited driving or when handling increased power levels.

Installation & Fitment

Installation should be performed by a qualified technician familiar with Subaru drivetrain components. Proper alignment and torque specifications are essential for optimal performance and longevity. Fitment is designed specifically for Subaru WRX STI models from 2004 to 2021; verification against your vehicle’s specifications is recommended before purchase.

What’s Included

The package includes the reinforced clutch disc, heavy-duty pressure plate, release bearing, and necessary hardware for installation, providing a complete upgrade solution for your vehicle’s clutch system.