A1-174 Girodisc 2pc Front Brake Rotors for Acura NSX

Acura NSX Front Rotors (Girodisc) – A1-174 Girodisc two-piece front rotors for the Acura NSX are a direct bolt-on upgrade that reduce unsprung and rotating mass, sharpen response, and improve cooling while maintaining factory brake bias and ABS performance. These rotors are compatible with cars originally equipped with iron or carbon-ceramic front rotors; note the pad shape requirement below. Pad shape note for carbon-ceramic cars For vehicles originally fitted with carbon-ceramic front rotors, you must switch to the D1405 front pad shape to use these rotors. Contact us if you need help selecting compatible pads. Features of Girodisc A1-174 Direct replacement for the OE front discs; no permanent modifications required. Two-piece construction with a US-sourced 6061-T6 aluminum hat and proprietary cast-iron disc for high thermal stability. Curved-vane internal design acts as a centrifugal pump to move cooling air through the rotor at speed. Floating mount system uses high-strength alloy