Description
The ACT Mod-Twin 225 HD Rigid Street Clutch Kit is engineered for high-powered AWD vehicles requiring exceptional torque capacity, rapid shifting performance, and outstanding durability. Designed specifically for the Nissan Skyline GT-R R34, this twin-disc clutch system combines smooth engagement and comfortable pedal effort with the strength and responsiveness of a rigid Mono-Drive hub assembly.
Featuring dual organic friction surfaces and a heat-treated chrome-moly rigid Mono-Drive hub, the Mod-Twin 225 HD Rigid Street Kit provides excellent torque transfer, improved shift response, and long-term reliability. The rigid hub design utilizes a continuous spline construction to enhance strength, durability, and input shaft life while delivering faster gear changes for performance-focused driving.
ACT's modular twin-disc design is fully rebuildable, allowing individual components to be serviced or replaced when needed. Combined with premium friction materials, precision engineering, and extensive quality testing, this clutch kit is an ideal choice for high-horsepower street and street/strip Skyline GT-R builds.
Features
- Twin-disc clutch system designed for high-powered AWD applications
- Rated for up to 700 ft-lbs of torque capacity
- Approximately 74% greater torque capacity than OE clutch systems
- Rigid Mono-Drive chrome-moly hub for maximum strength
- Continuous spline hub design extends input shaft life
- Premium organic friction materials for smooth engagement
- Quick shifting performance with positive engagement
- Soft pedal effort for improved street drivability
- Steel-backed friction plates for enhanced durability
- Exclusive four-stage heat-treated diaphragm spring
- CNC-machined and dynamically balanced flywheel included
- Lightweight rigid hub design for improved shift response
- Fully rebuildable modular clutch system
- Most service components available separately
- SFI 1.2 certified
- 100% clamp-load tested and dynamically balanced
- Suitable for street and street/strip applications
Included Components
- CNC-machined flywheel
- Pressure plate cover
- Diaphragm spring
- Clutch face
- Puck-style ceramic friction plates
- Rigid Mono-Drive hub
- Floater plate
- Patented Monoloc Collar
- Release bearing
- Alignment tool
- Pilot bearing (when required)
Performance Characteristics
Engagement Feel
- Soft progressive engagement
- Light pedal effort
- Smooth shifting performance
- Mild to moderate transmission gear noise
Durability
- Forged aluminum cover construction
- Heat-treated chrome-moly Mono-Drive hub
- Hardened wear points
- Premium friction materials
- Designed for long service life under demanding conditions
Quality Engineering
- Excellent heat tolerance
- Precision manufacturing and balancing
- Robust twin-disc design
- Consistent clutch performance
- Serviceable and rebuildable construction
Specifications
| Specification | Details |
|---|---|
| Product | ACT Mod-Twin 225 Heavy Duty Rigid Street Clutch Kit |
| Part Number | T1S-N04 |
| Torque Capacity | 700 ft-lbs |
| Torque Capacity Increase Over OE | 74% |
| Disc Material | Organic |
| Disc Diameter | 8.8 in (225 mm) |
| Disc Diameter | 225 mm |
| Input Shaft Diameter | 1 in |
| Pressure Plate Type | Heavy Duty |
| Product Weight | 29.5 lbs |
| SFI Certification | 1.2 |
| Recommended Use | Street / Street-Strip |
| Warranty | 12 Months |
| UPC | 00842385028602 |
Vehicle Fitment
Nissan Skyline GT-R R34 (JDM)
- 1999 Nissan Skyline GT-R R34 [JDM] – 2.6L Inline-6 Turbocharged (RB26DETT), AWD
- 2000 Nissan Skyline GT-R R34 [JDM] – 2.6L Inline-6 Turbocharged (RB26DETT), AWD
- 2001 Nissan Skyline GT-R R34 [JDM] – 2.6L Inline-6 Turbocharged (RB26DETT), AWD
- 2002 Nissan Skyline GT-R R34 [JDM] – 2.6L Inline-6 Turbocharged (RB26DETT), AWD
Why Choose the ACT Mod-Twin 225 HD Rigid Street?
The ACT Mod-Twin 225 HD Rigid Street Clutch Kit is built for enthusiasts seeking maximum performance, rapid gear changes, and exceptional durability without sacrificing street drivability. Its rigid chrome-moly Mono-Drive hub design provides direct power transfer and quicker shifts, while the twin organic friction discs maintain smooth engagement characteristics. Backed by ACT's proven engineering, extensive testing, and fully rebuildable modular construction, this clutch kit is an outstanding solution for high-horsepower Nissan Skyline GT-R R34 applications.
