ACT Twin Disc HD Race Kit

2011 Dodge Challenger R/T, SRT8

T1R-D04

Overview:

The ACT Twin Disc HD Race Kit is a high-performance clutch solution designed specifically for the 2011 Dodge Challenger R/T and SRT8 models. Engineered to handle increased power and aggressive driving conditions, this twin disc kit offers superior durability, heat management, and consistent engagement compared to traditional single disc clutches. Ideal for racers and enthusiasts seeking enhanced clutch life and improved shift response, the ACT Twin Disc HD Race Kit delivers reliable performance under demanding track and street conditions.

By doubling the number of friction surfaces, this kit significantly improves wear resistance and heat capacity, ensuring longer service intervals and reduced risk of clutch fade. Its advanced design also provides smooth, quiet operation without the common issues of floater rattle or post wear found in other twin disc systems.

Key Features:

The ACT Twin Disc HD Race Kit incorporates cutting-edge technology and premium materials to maximize performance and reliability:

• Proprietary Positive Lift Floater System for quiet operation with no floater rattle and no posts to wear
• Exclusive four-stage heat treating process on all diaphragms for enhanced durability
• Adjustable for disc wear with equal disengagement of both discs
• 6-pad rigid race discs constructed with high-quality ceramic friction materials for aggressive engagement
• Heat-treated chrome-moly hub for superior strength and longevity
• Lightweight, rigid design enabling quicker shifts and trouble-free service
• CNC-machined, dynamically balanced flywheel included for smooth high-RPM reliability
• 100% clamp load tested and dynamically computer balanced
• Torque capacity of 1141 ft/lbs, exceeding OEM by 142%
• Heavy-duty pressure plate meeting SFI 1.2 standards

Construction & Design:

The ACT Twin Disc HD Race Kit is meticulously engineered using premium materials and advanced manufacturing techniques. The clutch discs feature ceramic friction surfaces that provide excellent heat resistance and consistent engagement characteristics. The chrome-moly hub is heat-treated to withstand the rigors of high torque and aggressive driving. ACT’s Positive Lift Floater System eliminates common wear points and noise issues by removing posts and ensuring smooth, quiet operation. The included flywheel is CNC-machined and dynamically balanced to maintain engine smoothness and clutch reliability at high RPMs.

Performance & Sound

This twin disc kit offers aggressive engagement with mild to moderate gear rattle, delivering a direct and responsive feel ideal for racing and spirited driving. The design reduces pedal effort while allowing quicker shifts, enhancing overall driving performance without compromising drivability. The system’s superior heat capacity and wear resistance ensure consistent performance even under prolonged high-stress conditions.

Installation & Fitment:

The ACT Twin Disc HD Race Kit is a direct-fit upgrade for 2011 Dodge Challenger R/T and SRT8 models, requiring no modifications for installation. The kit includes all necessary components and an alignment tool to facilitate a smooth and precise installation process. Some kits may also include a pilot bearing and release bearing, depending on the specific application. Professional installation is recommended to ensure optimal performance and longevity.

What's Included:

• Pressure plate
• Two ceramic friction clutch discs
• Positive Lift Floater
• CNC-machined, dynamically balanced flywheel
• Alignment tool
• Optional pilot bearing and release bearing (varies by kit)

Ideal For:

This kit is perfect for Dodge Challenger owners who demand enhanced clutch performance for racing, high-performance street driving, or track use. It suits drivers looking for improved clutch longevity, heat management, and quicker, more aggressive shifts without sacrificing pedal feel or drivability.

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.