StopTech four wheel Big Brake Upgrade for the Honda S2000. The kit includes ST-40 4-piston front calipers painted red, black, or silver, ST-22 2-piston opposed billet rear calipers painted red, black, or silver, 7075-T6 billet aluminum caliper mounting brackets, 355x32mm slotted, floating, front AeroRotors, 328x28mm slotted, floating, rear AeroRotors, 7075-T6 billet aluminum AeroHats with directional standoffs, StopTech SS (DOT compliant) front and rear brake lines, Axxis Ultimate front brake pads, and Hawk HPS rear brake pads. Requires 18 inch or larger wheels, however not all 18 inch wheels will fit.