If you’re looking to take your Ford Mustang’s performance up a notch, the Advanced Clutch HD/Race Sprung 6 Pad Kit FM3-HDG6 is definitely worth your attention. This isn’t just another clutch kit; it’s built with serious enthusiasts in mind. The heart of this setup is ACT's Heavy Duty pressure plate, which features a unique diaphragm design. What does that mean for you? More clamp load and less deflection, which translates to a clutch that not only lasts longer but also performs better under pressure.

Every diaphragm goes through a rigorous four-stage heat-treating process, ensuring it can handle the kind of heat that comes from spirited driving or track days. And let’s be real, when you’re pushing your Mustang to its limits, you want a clutch that’s not going to let you down. The precision stamping of the pressure plate adds a level of rigidity that keeps everything in check during those high RPM moments.

The 6-pad, spring-centered race disc is where things get really interesting. With its design, it dampens torsional vibrations, which is crucial when you’re pushing the car hard. Sure, the engagement might be a bit harsher, but that’s the trade-off for quicker shifts. If you’re running a larger clutch size, this disc is a solid choice for absorbing more heat, which is something you’ll appreciate on those long drives or during intense races.

Now, let’s talk features. The pedal effort is light to moderate, making it manageable for daily driving, while still providing that aggressive engagement you crave. Thanks to ACT's exclusive diaphragm design, you can expect a moderate friction life that’s extended for your peace of mind. The materials used are top-notch, with select ceramic friction materials that can handle high temperatures without breaking a sweat.

For those of you with high horsepower setups, this kit is a no-brainer. It's been tested for clamp load and dynamically balanced, so you can trust it to perform smoothly even at high RPMs. Just keep in mind that while it’s great for street or race use, you’re going to feel a bit of gear rattle—it's part of the fun.

Installation is straightforward, and if you need a hand, check out the installation instructions here.

Here’s a quick rundown of the specs:

• Clutch Disc Diameter: 11 in (280 mm)
• Torque Capacity: 770 ft/lbs
• Input Spline Quantity: 10
• Input Shaft Diameter: 1.0625 in
• Product Weight: 25.7 lbs

Just to clarify what’s included: you’ll get grease, a release bearing, and a pilot bearing, but no master or slave cylinder, or flywheel bolts. It’s all about what you need to get that Mustang running like a dream.

Fits: 1999-2004 Ford Mustang, Mustang GT, and Mustang SVT Cobra (1999, 2001, 2003-2004). If you’re serious about performance, this clutch kit is a solid investment in your ride.