StopTech C43 Race Big Brake Kit (Front) for 2000-2005 Honda S2000. This is a dedicated competition braking system designed for club racing and autocross. The kit features lightweight forged C43 calipers providing maximum clamping force and stiffness under high temperatures. Components: 2x StopTech C43 Forged 4-Piston Race Calipers (Part No. 121.429.21); 2x StopTech 309x32mm 2-Piece Aerorotors with Directional Vanes (Part No. 31.429.1101.87 / 31.429.1102.87); 2x Hard-Anodized Aluminum Caliper Mounting Brackets (Part No. 07.429.01); 1x Set of Stainless Steel Brake Lines (Part No. 950.40003); 1x Hardware Mounting Kit. Note: This Race kit utilizes aggressive pad volumes and is designed for track use; brake pads are sold separately to allow custom compound selection.