Clutch Masters FX400 (Stage IV) Clutch And Aluminum flywheel combo for '02-04 SVT/ST170 Focus

Note: aluminum flywheels tend to have some clutch chatter at idle or at low rpms or while decelerating in gear.


FX400 (Stage IV)

• Ultra heavy-duty street &racing system
• Holding capacity 170% over stock
• Heavy-Duty reinforced pressure plate
• Hi-Leverage™ pressure ring design
• Sprung hub/4-button
• Ceramic friction material
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All Clutch Masters systems come complete with:
• Pressure Plate
• Clutch Disc
• Alignment Tool
• Clutch Slave Cylinder
The clutch for aggressive drivers. This is the perfect road-racing application. Stage 4 utilizes a 4-puck ceramic sprung disc complemented by a bulletproof hub assembly. It is designed for cars with significant power upgrades. Engagement is hard and quick.



Typical benefits of a lightweight flywheel for various engine types:
• Reduced mass equals increased acceleration.
• A lightweight flywheel works particularly well with turbo-charged engines because it reduces typical turbo lag.
• Increased supercharger efficiency due to less parasitic drag on the crank.
• Improved mid-range torque in a normally aspirated engine due to not having to overcome the heavy weight of a stock flywheel.
• CM uses only 6061-T6 aircraft grade or better billet aluminum in the manufacturer of its flywheels.
• CM uses A36 steel for the friction surface.
• CM uses an OEM steel ring gear secured by bolts.
• CM offers a limited lifetime warranty.

An excellent performance upgrade. Because aluminum is lighter than steel, Clutch Masters are able to produce aluminum flywheels utilizing stock dimensions. Aluminum flywheels are perfect for road racers looking for quicker revs. It is also a nice complement for turbocharged cars experiencing lag.