6-PadSprung RaceDisc by ACT 6280308 is a 6-pad spring-centered race discs made with high quality ceramic friction materials. The engagement is harsher, but shifting is faster. The 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. The 6-pad, spring-centered disc is recommended for larger clutch sizes to absorb more heat and for smoother engagement. Features Feel: Aggressive engagement, quick shifts, mild to moderate gear rattle Life: Premium ceramic friction materials provide moderate wear rates and high heat tolerance Quality: Utilizes wraparound spring windows, thicker retainer stampings and a heat-treated, spring steel drive plate to provide support, reduce stress concentrations and increase strength and reliability Recommended Use: Recommended for high horsepower street or race use ACT Difference: High burst strength and holds 28% more torque than typical organic materials Applications 2011 – 2016 Ford Mustang GT 2012 – 2013 Ford Mustang Boss 302 Specifications Product Weight (lbs.) – 4.5 SFI – 1.1 Input Shaft Diameter (Inches) – 1 Spline Count – 23 Disc Type – 6 PadSprung Race Disc Disc Diameter (Inches) – 11 Disc Diameter (mm) – 280 Disc Material – Ceramic What’s In The Box? 1 – 6 PadSprung Race Disc Warranty ACT 12-Month Limited Warranty