Why Upgrade to ACT MB012?

Common DSM issues:

• Clutch slip under boost
• Weak engagement on tuned setups
• Premature wear with added power
• Inconsistent engagement

ACT Fixes That:

• Performance organic friction material for increased grip
• Sprung hub design reduces drivetrain shock
• Improved heat resistance vs OEM disc
• Smooth engagement for street driving

Translation: it holds power without punishing you in traffic.

ACT Performance Street Seize Discs are designed for smooth engagement, quiet operation, and improved durability.

Vehicle Fitment (DSM / Mitsubishi Platform)

Designed for select manual transmission applications:

Mitsubishi:

• Eclipse GS-T / GSX (1990–1999)

Eagle:

• Talon TSi (1990–1998)

Plymouth:

• Laser RS Turbo (1990–1994)

Hyundai (Shared Platform Applications):

• Select performance-compatible models using similar drivetrain setups

Engine Compatibility:

• 2.0L Turbo 4G63

Transmission:

• Manual transmission only

Ideal For:

• Boosted street builds
• Daily drivers with upgrades
• Stage 1 / Stage 2 setups
• DSM performance enthusiasts

If your clutch slips when boost hits—this fixes it.

This Performance Organic Street style disc uses a premium organic friction subject material for prime warmth tolerance, quick recovery, just right friction, and long life.

What’s Included

• ACT MB012 performance organic clutch disc

(Simple—but a critical upgrade.)

Key Features

• Performance organic friction material
• Sprung hub for smoother engagement
• Improved torque holding capability
• Better heat resistance under boost
• Compatible with ACT pressure plates

The linings are backed with steel for terribly prime burst strength, and the middle section resists failure even beneath harsh conditions. The spring center construction properly dampens torsional vibrations for quieter operation. Modified for quicker shifting, this disc is certified SFI Spec. 1.1.

Performance Benefits

• Eliminates clutch slip under boost
• Improves engagement and drivability
• Handles increased torque from mods
• Reduces drivetrain shock

No slipping. No harsh engagement. Just usable power.

⚠️ What to Expect

• Slightly more aggressive engagement vs OEM
• Works best when paired with:
  • ACT pressure plate
  • Upgraded flywheel
• Still very street-friendly

Translation: performance without regret.

Special performance friction materials resist increased warmth and abuse
Designed for smooth engagement, quiet operation, and improved durability

Installation Notes

• Pair with:
  • ACT heavy-duty pressure plate (recommended)
• Inspect:
  • Flywheel condition
  • Clutch hydraulics
• Follow proper break-in period (500–750 miles)
• Ideal install during:
  • Clutch upgrade
  • Turbo build

Why ACT MB012 clutch disc?

Because ACT:

• Specializes in performance clutch systems
• Is trusted across DSM and turbo platforms
• Delivers real torque-holding capability without sacrificing drivability

Steel back linings for terribly prime burst strength
Center section resists failure even beneath harsh conditions
90 day limited manufacturer’s warranty

Final Verdict

The ACT MB012 Performance Organic Clutch Disc is a must-have upgrade for DSM and turbo Mitsubishi builds—stronger, smoother, and built to actually hold boost.

Finally lets your car use the power you paid for.