ACT Heavy Duty Race Rigid 4 Pad Clutch Kit

2011–2025 Acura / Honda J35 3.5L V6

Part #: AT3-HDR4

Overview

The ACT Heavy Duty Race Rigid 4 Pad Clutch Kit is designed for high-performance driving enthusiasts who demand maximum durability and reliable engagement from their vehicle's clutch system. Built specifically for Acura and Honda models equipped with the J35 3.5L V6 engine, this clutch kit offers a significant upgrade over stock components, making it ideal for spirited street driving, track days, and off-road applications where increased power handling is essential.

Whether you're pushing your vehicle to its limits on the track or seeking a robust upgrade for daily driving with enhanced performance, this clutch kit delivers consistent, high-quality performance. ACT's expertise in clutch technology ensures that you'll get a product engineered for strength, longevity, and smooth engagement, helping you support increased horsepower and torque while maintaining drivability and pedal feel.

Key Features

The ACT Heavy Duty Race Rigid 4 Pad Clutch Kit incorporates several advanced features designed to maximize performance and durability:

• High-quality ceramic friction materials used in the 4-pad race discs provide excellent heat resistance and consistent friction characteristics under demanding conditions.
• Exclusive diaphragm design increases clamp load, reducing disc deflection and ensuring maximum power transfer from the engine to the drivetrain.
• Precision cover stampings enhance the rigidity and consistency of the pressure plate, resulting in improved pedal feel and engagement.
• Chrome-moly hub is heat-treated for added strength and durability, supporting higher torque loads and resisting warping or failure during aggressive driving.
• Four-stage heat-treating process applied to all diaphragms ensures unparalleled performance and longevity, even under extreme conditions.
• Designed with a rigid race disc configuration, this clutch kit is optimized for high-RPM and high-torque applications, making it suitable for racing and performance tuning.
• Constructed to withstand the rigors of aggressive driving, providing a reliable and consistent clutch engagement over time.
• Engineered for enthusiasts who want a clutch that can handle increased power levels without sacrificing daily drivability.

Construction & Design

The ACT Heavy Duty Race Rigid 4 Pad Clutch Kit features a meticulously engineered design that combines high-grade materials with precision manufacturing techniques. The high-performance ceramic friction discs are crafted to deliver superior heat resistance and consistent engagement, reducing the risk of slipping during high-stress conditions. The pressure plate's diaphragm is heat-treated through a four-stage process, ensuring maximum clamp load and minimal deflection, which translates into more efficient power transfer and a longer lifespan.

The chrome-moly hub is heat-treated for added strength, supporting higher torque capacities and resisting deformation. The overall assembly is built with a focus on durability and precision, utilizing CNC-machined components and TIG welding where applicable to ensure a perfect fit and reliable operation. This robust construction not only enhances performance but also ensures that the clutch maintains its integrity under demanding conditions, making it a trusted choice for serious enthusiasts and racers.

Installation & Fitment

The ACT Heavy Duty Race Rigid 4 Pad Clutch Kit is a bolt-on upgrade that is designed to fit directly onto your vehicle's existing clutch assembly. No cutting, drilling, or extensive modifications are required for installation, making it a straightforward upgrade for experienced DIY enthusiasts or professional installers. Proper installation may involve some basic tools and alignment procedures, but overall, this kit is engineered for ease of use and reliable performance.

• Direct bolt-on replacement for factory clutch components
• No special modifications or tuning required for optimal operation
• Suitable for high-performance street and track use

What's Included

• Heavy Duty Pressure Plate
• 4-Pad Race Disc
• Release Bearing
• Alignment Tool
• Hardware and Clutch Cover

Ideal For

• Performance enthusiasts seeking increased power handling
• Track racers and weekend warriors pushing their vehicles to the limit
• Drivers requiring a durable clutch solution for aggressive driving conditions
• Upgrading stock clutch components for improved longevity and response