ACT 4 Pad Rigid Race Disc 4224004A is a 4-pad rigid race disc made with high quality, ceramic friction materials. The disc engagement is harsher, but shifting is faster. The race disc features top grade rivets to securely fasten the part together. The rivet design and materials are carefully selected for maximum strength. The 4-pad rigid race disc is well-suited for the smaller disc sizes in smaller engines. Features Product Weight (lbs.): 1.8 SFI: 1.1 Diameter (in.): 8.8 Diameter (mm): 224 Spline Quantity: 20 Disc Material: Ceramic Splined Bore Diameter (in.): 0.875 Applications 2001-2004 Hyundai Santa Fe 2001-2006 Kia Optima 2002-2005 Hyundai Sonata 2003-2008 Hyundai Tiburon What\’s In The Box? ACT 4 Pad Rigid Race Disc References Installation Instructions Warranty Manufacturer 1 Year Warranty