Why Upgrade to ACT HY4-HDSS?

Common turbo platform issues:

• Clutch slip under boost
• Weak engagement on tuned setups
• Heat fade during aggressive driving
• Premature wear with bolt-ons

ACT Fixes That:

• Heavy-duty pressure plate increases clamp load
• Performance organic sprung disc improves grip
• Sprung hub reduces drivetrain shock
• Better heat resistance under load

Translation: it finally holds power without ruining your daily.

This kit features ACT’s hottest Heavy Duty pressure plate and hottest street disc. ACT Heavy Duty pressure plates use exclusive diaphragm design to extend clamp load, scale back deflection and maximize snatch life. All diaphragms endure a four-stage, warmth-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to offer rigidity and consistency.

What’s Included

• ACT heavy-duty pressure plate
• Performance street sprung clutch disc
• Release bearing
• Pilot bearing (if applicable)

Complete performance-ready kit.

Key Features

• Increased clamp load vs OEM
• Street organic friction material
• Sprung hub for smoother engagement
• Improved heat resistance
• Precision-engineered components

Performance Benefits

• Eliminates clutch slip under boost
• Improves engagement and power transfer
• Handles increased torque from tuning
• Maintains daily drivability

No slipping. No harsh engagement. Just usable power.

⚠️ What to Expect

• Firmer pedal feel vs stock
• Slightly more aggressive engagement
• Still very street-friendly

Translation: noticeable upgrade—not annoying.

Installation Notes

• Resurface or replace flywheel (recommended)
• Follow 500–750 mile break-in period
• Inspect:
  • Clutch hydraulics
  • Rear main seal
• Ideal install during:
  • Performance upgrades
  • Clutch replacement

Why ACT HY4-HDSS clutch for Genesis Coupe?

Because ACT:

• Specializes in performance clutch systems
• Is trusted across turbocharged platforms
• Delivers real torque-holding performance without sacrificing drivability

Final Verdict

The ACT HY4-HDSS Clutch Kit is the perfect upgrade for Hyundai and Kia enthusiasts—stronger, more reliable, and built to handle boost without ruining your daily drive.

Finally lets your turbo car do what it’s supposed to.

ACT’s Performance Street discs feature premium organic materials with high copper content for better warmth transfer and steel-backed lining for greater burst strength and sturdiness. These discs have reduced marcel for faster shift action to enrich ACT pressure plates, with increased strength and reliability.

Premium organic friction materials for warmth tolerance, faster recovery from overheating and stops warping of mating surfaces