Why Upgrade to ACT HS2-HDSS?
Common B-series clutch issues:
- Slipping under VTEC engagement
- Weak clamp load on modified builds
- Heat fade during aggressive driving
- Inconsistent engagement
ACT Fixes That:
- Heavy-duty pressure plate increases clamp load
- Organic performance disc improves grip and drivability
- Sprung hub reduces drivetrain shock
- Better heat resistance under load
Translation: holds power without ruining your commute.
This ACT seize kit features a Heavy Duty pressure plate, Performance Street disc, release bearing, pilot bearing and alignment tool. The Heavy Duty pressure plate allows for a 20 to 50 percent increase in clamp load over the stock unit.
Vehicle Fitment (Honda / Acura B-Series)
Designed for:
Honda:
- Civic Si (1999–2000 – B16A2)
- Civic (B-series swapped builds)
Acura:
- Integra (1994–2001 – B18B / B18C / GSR / Type R)
Engine Compatibility:
- B16A / B18B / B18C / B20 (swap builds)
Transmission:
- Manual transmission only
Ideal For:
- Bolt-on builds
- NA builds with cams/intake upgrades
- Street performance setups
- Daily-driven performance cars
If your clutch slips when VTEC hits—this fixes it.
ACT’s Heavy Duty pressure plate features precision CNC machined parts, drive straps and rivets to soundly locate contact face to the quilt for quiet, trouble-free operation.
What’s Included
- ACT Heavy Duty Pressure Plate
- Performance Street Sprung Organic Clutch Disc
- Release Bearing
- Pilot Bearing (if applicable)
Complete and ready to install.
The Heavy Duty pressure plate may have a stock to moderate pedal feel. ACT pressure plates feature creative diaphragm designs to extend clamp load, scale back deflection and maximize seize life.
Key Features
- Increased clamp load vs OEM
- Organic friction material for smooth engagement
- Sprung hub for reduced drivetrain shock
- Improved heat resistance
- Precision-engineered components
All diaphragms endure an exclusive four-stage, heat-treating process for unparalleled performance. The Heavy Duty pressure plate meets SFI Specification 1.1. ACT Performance Street discs are modified with reduced marcel for faster shift action to counterpoint ACT pressure plates.
Performance Benefits
- Eliminates clutch slip under load
- Improves engagement consistency
- Handles increased power from mods
- Maintains daily drivability
No slipping. No harsh engagement. Just solid performance.
Performance Street discs have higher copper content friction lining for heat tolerance and steel-backed lining for greater burst strength and durability. Also, they feature top grade rivets to soundly fasten the part together. The rivet design and rivet materials are carefully selected for maximum strength.
⚠️ 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:
- Clutch replacement
- Performance upgrades
ACT spring-centered assemblies use bushings and cone springs very similar to factory seize discs. This creates frictional dampening which improves seize life and reduces noise. All Performance Street discs are certified as meeting SFI Specification 1.1 and are legal in all racing organizations that require SFI certification. The kit is completed with a quality, stock replacement release bearing, pilot bearing and alignment tool.
A low to moderate pedal feel; smooth engagement with stock to low gear rattle
Longer seize life achieved through ACT’s exclusive diaphragm design
Premium organic friction materials for heat tolerance, faster recovery from overheating and prevents warping of mating surfaces
Why ACT HS2-HDSS clutch B series kit?
Because ACT:
- Specializes in performance clutch systems
- Is trusted across Honda and Acura builds
- Delivers real-world reliability and torque capacity
Final Verdict
The ACT HS2-HDSS Clutch Kit is one of the best all-around upgrades for B-series Honda and Acura platforms—stronger, smoother, and built to handle real driving.
Finally lets your setup put power down without slipping like a worn-out stock clutch.
Really helpful for street and race use
All ACT pressure plates are dynamically computer balanced for smooth operation at high RPM






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