Alright, let’s talk about the ACT Heavy Duty/Performance Street Sprung Kit, specifically the MS1-HDSS. If you're looking to up your clutch game, this is a solid option. This kit packs ACT's Heavy Duty pressure plate, which is known for its durability. The way they’ve designed the diaphragm really cranks up the clamp load while keeping deflection to a minimum—this means you get a longer-lasting clutch that can handle some serious power. Plus, they go through a detailed four-stage heat-treating process to ensure it performs like a champ even under stress.

The Performance Street disc included in this kit is no slouch either. Made with a high copper content organic material, it’s built for better heat management and has a steel-backed lining for extra durability. You’ll notice the reduced marcel helps with quicker shifts, making your driving experience a lot more enjoyable. It’s all about that smooth engagement and reliable performance, whether you're cruising the streets or hitting the track.

Installation:

• Need some help putting it in? Check out the install instructions here.

Key Features:

• Light to moderate pedal feel—perfect for daily driving with a touch of performance.
• Designed for longevity, thanks to that clever diaphragm engineering.
• Made from premium organic materials, so it can take the heat and resist fading.
• Great for both street and track use—this clutch doesn’t shy away from a challenge.
• Every unit is clamp load tested and computer balanced for smooth operation at high RPMs.

Specifications:

• Clutch Master Cylinder: Not included
• Grease: Yes, it comes with some
• Type: Performance
• Pilot Bushing: Not included
• Pressure Plate: Heavy Duty
• Release Bearing: Yes, included
• Clutch Disc Diameter: 9.4 inches (240 mm)
• Disc Material: Organic
• Input Spline Quantity: 23
• Input Shaft Diameter: 1 inch
• Alignment Tool: Yes, included
• Disc Type: Sprung Solid
• Pressure Plate Bolts: Not included
• Clutch Slave Cylinder: Not included
• Flywheel Bolts: Not included
• Pilot Bearing: Yes, included
• Weight: 15.9 lbs
• Torque Capacity: 330 ft/lbs
• Torque Capacity Over OE: 0.34

Fitment:

This kit fits the following models:

• Chrysler Conquest (1987-1989)
• Mitsubishi Starion (1987-1989)

If you’re serious about your ride and want a clutch that can keep up with your driving style, the ACT MS1-HDSS is worth considering. It’s built for enthusiasts who don’t want to compromise on performance or reliability.