Home » QSC Subaru Impreza WRX STI 04-10 2.5L TURBO EJ257 Stage 1 Clutch Kit

QSC Subaru Impreza WRX STI 04-10 2.5L TURBO EJ257 Stage 1 Clutch Kit

$ 102.00

Part# K012S1

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QSC Stage 1 clutch kit is designed for high performance street application. It provides a smooth engagement and an extended clutch life. Our clutch systems are engineered to maximize the durability and stability, and they can be easily installed without modification. This Stage 1 clutch kit includes a heavy-duty pressure plate, premium organic disc, throw out bearing, pilot bearing, and alignment tool

Pressure Plate

QSC pressure plates are engineered to maximize the clutch life. The clamp loads are 35% to 60% higher than stock. The diaphragms of each pressure plate endure a four stage heat treated process to improve tension strength while preserving the structural integrity. All QSC pressure plates are CNC precision machined and computer balanced to ensure smooth operation. Each pressure plate also features heavy-duty drive straps and rivets to secure the contact face.

Clutch Disc

QSC stage 1 clutch disc is made of premium organic friction material. The organic friction materials enables more efficient heat transfer, and it also provides a good frictional surface for high performance street use. This stage 1 is designed to maximized the clutch life.**

Application

04-10 Subaru Impreza WRX STI (2.5L turbo EJ257, 6 spd)

Specification

Pressure plate material: Cast Iron
Clutch Disc material: Premium organic friction materials
Torque Capacity: 390 ft/lbs

Features Highlights

Pressure Plate

Four stage heat treating process performed on all diaphragms to increase clamp load while maximizing clutch life
CNC Precision machined and computer balanced
Strong drive straps and rivets for smooth operation
Reduced vibration while at high rpm

Clutch Disc

Made of premium organic friction materials
Extended clutch life
Higher torque delivery and acceleration than stock

**Professional installation is recommended

**A break-in period of 500 miles is required after the installation