ACT Race Discs

ACT Performance Race Disc Key Features

• Premium ceramic friction materials provide high-heat tolerance, high coefficient of friction and low wear rates.
• All friction pads are measured, sorted and matched before assembly to ensure that each disc is uniform in thickness.
• Carefully broached splines to ensure exact fit onto the transmission input shaft for long spline life and better clutch release.
• ACT provides thicker retainer stampings for increased strength and reliability.
• Top grade rivets are used to securely fasten the part together. Rivet design and rivet materials are carefully selected for maximum strength.
• ACT spring retainers feature wraparound spring windows that provide support and reduce stress concentrations, which are common causes of failure.

• Heavy duty torsional dampening springs are stronger in most cases than standard springs and are provided in the best sizes and spring rates to suit the application.
• All drive plates consist of high-carbon spring steel that is heat-treated and black zinc-plated to resist bending, cracking, fatiguing and rusting, even under severe racing conditions.
• Precision stampings for disc components are manufactured using dedicated tooling. This allows ACT to offer the highest in quality and consistency.
• Most spring-centered assemblies use bushings and cone springs to create frictional dampening, which reduces noise and extends clutch life.
• All race discs are certified as meeting SFI Specification 1.1 and are legal in all racing organizations that require SFI certification.