Hey there, fellow car enthusiasts! If you're looking to upgrade your clutch setup, let me tell you about the ACT ZM10-HDSS kit. This isn't just any clutch kit; it's designed for those who want a reliable, heavy-duty option that won't let you down on the street or the track. The heart of this kit is ACT's Heavy Duty pressure plate, which is known for its durability and performance. They’ve got this cool diaphragm design that cranks up the clamp load, cuts down on deflection, and helps your clutch last longer. Plus, each diaphragm goes through a rigorous four-stage heat-treating process, so you know it can handle the heat when you're pushing it hard.

Now, let’s talk about the Performance Street disc. This bad boy is made with premium organic materials, packed with high copper content, which means it excels at heat transfer. It also has a steel-backed lining that boosts its durability and burst strength. What’s really neat is that the disc has reduced marcel, which translates to quicker shifts—perfect for those moments when you need to drop gears fast.

Install Instructions:

• Need help with installation? CLICK HERE for the instructions.

Features:

• Easy on the foot with light to moderate pedal effort and smooth engagement—goodbye, annoying gear rattle!
• Long-lasting friction life thanks to that clever diaphragm design.
• Engineered to perfection with premium materials that handle heat like a champ and resist fade.
• Versatile enough for both street driving and racing.
• Every unit is clamp load tested and dynamically balanced, so you get smooth performance even at high RPMs.

Specifications:

• Clutch Master Cylinder: Not included
• Grease: Yes, included
• Grade Type: Performance
• Flywheel: Yes, included
• Pilot Bushing: Not included
• Pressure Plate Type: Heavy Duty
• Release Bearing: Yes, included
• Clutch Disc Diameter: 8.8 inches (224 mm)
• Disc Material: Organic
• Input Spline Quantity: 22
• Input Shaft Diameter: 0.9375 inches
• Alignment Tool: Yes, included
• Disc Type: Sprung
• Pressure Plate Bolts: Yes, included
• Clutch Slave Cylinder: Not included
• Flywheel Bolts: Not included
• Pilot Bearing: Yes, included
• Flywheel Type: Streetlite
• Weight: 27.8 lbs
• Torque Capacity: 312 ft/lbs
• Torque Capacity Over OE: 0.46

Notes:

• This is a 225mm upgrade, so make sure to pair it with the ACT flywheel that's included in the kit. And don't worry, pressure plate bolts (M8-1.25 x 20mm) are in there too.

If you’ve got a 2016-2019 Mazda Miata, this clutch kit is a solid choice. It’s built to handle the demands of spirited driving while giving you the reliability you need. Trust me, you won't regret this upgrade!