2001-2006 BMW M3 4 Pad Rigid Race Disc by ACT Aggressive engagement, quickest shifts, increased gear rattle; Premium ceramic friction materials provide moderate wear rates and high heat tolerance, rigid design may increase spline wear; Lightweight rigid design, chromoly hub is heat-treated for strength and durability; Recommended for race use only; High burst strength and holds 28% more torque than typical organic materials Features Product Weight (lbs.): 1.9 Disc Material: Ceramic Diameter (Inches): 9.4 Diameter (Millimeters): 240 SFI: 1.1 Benefits Aggressive engagement, quickest shifts, increased gear rattle Lightweight rigid design, chromoly hub is heat-treated for strength and durability High burst strength and holds 28% more torque than typical organic materials Premium ceramic friction materials provide moderate wear rates and high heat tolerance, rigid design may increase spline wear Applications 2001-2006 BMW M3 What\’s In The Box? 1 – ACT 4 Pad Rigid Race Disc Warranty ACT 1-Year Limited Warranty