Upgrade Your Mustang's Clutch with the ACT FM9-HDSS Kit

For Ford Mustang owners looking to enhance their ride's performance, the ACT FM9-HDSS Heavy Duty/Performance Street Sprung Kit is a game-changer. This kit combines ACT's most popular Heavy Duty pressure plate with a high-performance street disc, designed specifically for 1999-2004 Ford Mustang models, including the GT and SVT Cobra. Whether you're hitting the track or cruising the streets, this clutch kit is engineered to deliver exceptional performance and reliability.

Why Choose the ACT FM9-HDSS?

The FM9-HDSS kit features an exclusive diaphragm design that increases clamp load while reducing deflection, which ultimately maximizes clutch life. Each diaphragm undergoes a rigorous four-stage heat-treating process, ensuring it can withstand the demands of spirited driving and track days alike. The precision cover stampings used in ACT pressure plates provide the necessary rigidity and consistency you need for high-performance applications.

Performance-Driven Features

• Light to moderate pedal effort for a comfortable driving experience.
• Smooth, positive engagement with minimal gear rattle—perfect for both street and race use.
• Longer friction life, thanks to ACT’s exclusive diaphragm design.
• Engineered with premium organic materials that offer excellent heat tolerance and reduced fade.
• 100% clamp load tested and dynamically balanced for reliable high RPM performance.

Specifications

• Clutch Disc Diameter: 11 in (280 mm)
• Input Spline Quantity: 26
• Input Shaft Diameter: 1.125 in
• Product Weight: 26.1 lbs
• Torque Capacity: 605 ft/lbs
• Pressure Plate Type: Heavy Duty
• Disc Material: Organic
• Release Bearing Included: Yes
• Alignment Tool Included: Yes
• Grease Included: Yes
• Pilot Bearing Included: Yes

Installation Instructions

Ready to install? For detailed installation instructions, CLICK HERE.

Customer Feedback

Mustang GT owners have reported significant improvements in their driving experience after installing the FM9-HDSS. One owner noted, “Installed this clutch on my 2001 Mustang GT, and the engagement is so much smoother than stock. I can feel the increased torque handling, especially during hard acceleration!”

Upgrade your Mustang with the ACT FM9-HDSS kit and experience the difference in performance and reliability. This is the clutch kit you need to take your driving to the next level.