Mazda MX-5 Miata Clutch Kit - ACT - HD/Race Rigid 4 Pad - 2019-2025. The ACT ZM15-HDR4 pairs a Heavy Duty pressure plate with a 4-pad rigid ceramic race disc for track-focused control.

ACT’s diaphragm design raises clamp load, controls deflection, and helps extend life. Four-stage heat-treating and precision stampings improve rigidity and consistency. The 4-pad rigid disc uses ceramic friction and a heat-treated chrome-moly hub; its light, rigid build favors quicker shifts. Expect light to moderate pedal effort with aggressive, harsher engagement and more gear rattle; the rigid design may increase spline wear. Recommended for race use only. Each kit is 100% clamp-load tested, dynamically balanced, and backed by a one-year ACT warranty.

Features

• Heavy Duty pressure plate with exclusive diaphragm design
• 4-pad rigid ceramic race disc with heat-treated chrome-moly hub
• 100% clamp-load tested and dynamically balanced

Have questions? Call our Austin, Texas shop at 512-982-9393 or our Los Angeles, California area shop at 562-981-6800. Installation and customization available at both locations.

Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov