ACT HD/Race Rigid 4 Pad Clutch Kit

2005–2006 Scion tC

TC6-HDR4

Overview:

The ACT HD/Race Rigid 4 Pad Clutch Kit is engineered specifically for the 2005 to 2006 Scion tC, delivering a high-performance clutch solution designed for aggressive driving and racing applications. This kit features ACT’s renowned Heavy Duty pressure plate combined with a rigid 4-pad race disc, offering increased clamp load and enhanced durability to handle demanding conditions. Ideal for enthusiasts seeking quicker shifts and a more direct engagement, this clutch kit balances performance with reliability to maximize your vehicle’s potential on the street or track.

Built to withstand high heat and stress, the HD/Race kit ensures consistent clutch engagement and extended service life, making it a trusted upgrade for drivers who require a robust and responsive clutch system.

Key Features:

Designed with precision and performance in mind, the ACT HD/Race Rigid 4 Pad Clutch Kit includes the following key features:

• Heavy Duty pressure plate with exclusive diaphragm design for increased clamp load and reduced deflection
• Four-stage heat-treated diaphragms for superior strength and longevity
• Precision cover stampings to enhance rigidity and maintain consistent performance
• Rigid 4-pad race disc constructed with high-quality ceramic friction materials for excellent heat tolerance
• Heat-treated chrome-moly hub for enhanced strength and durability
• Lightweight, rigid disc design enabling quicker shifts and smooth operation
• Harsher engagement suited for aggressive driving and racing environments
• 100% clamp load tested and dynamically computer balanced for reliable high RPM performance
• Recommended for race use only due to aggressive engagement and increased gear rattle

Construction & Design:

The ACT HD/Race kit is meticulously engineered using premium materials and advanced manufacturing techniques. The Heavy Duty pressure plate employs a unique diaphragm spring design that undergoes a rigorous four-stage heat treatment process, enhancing clamp load capacity and minimizing deflection under extreme conditions. This results in improved clutch life and consistent pedal feel.

The 4-pad rigid race disc features ceramic friction surfaces that provide high heat resistance and reliable engagement. Its chrome-moly hub is heat-treated to withstand the stresses of aggressive driving, while the lightweight and rigid construction reduces rotational mass, allowing for faster throttle response and shift times.

Performance & Sound

The rigid 4-pad race disc delivers a more aggressive and direct clutch engagement, which translates to quicker shifts and improved driver control during spirited driving or track use. This design produces a moderate increase in gear rattle and pedal effort compared to stock clutches, reflecting its race-oriented nature. While the engagement is harsher, the trade-off is enhanced performance and durability under high-stress conditions.

Installation & Fitment:

This clutch kit is a direct fit for the 2005–2006 Scion tC and is designed to replace the factory clutch assembly without the need for major modifications. Installation should be performed by a qualified technician familiar with performance clutch systems to ensure proper setup and optimal performance. Due to the aggressive nature of the clutch, some adjustments to driving style may be necessary to accommodate the increased pedal effort and engagement characteristics.

What's Included:

• ACT Heavy Duty pressure plate
• Rigid 4-pad ceramic friction race disc with chrome-moly hub
• Installation hardware (where applicable)
• Detailed installation instructions

Ideal For:

This clutch kit is ideal for Scion tC owners who participate in racing, autocross, or aggressive street driving and require a clutch that can handle increased power and heat without sacrificing durability. It is best suited for drivers who prioritize quick, precise shifts and are comfortable with a firmer pedal feel and more aggressive engagement.

ACT (Advanced Clutch Technology) engineers performance clutches and flywheels built for consistent engagement, higher torque capacity, and durability in street and race use. The brand emphasizes quality and reliability and is widely used by enthusiasts who need driveline components that can handle repeated hard launches, shifts, and track abuse.