GiroDisc A1-307 Front Brake Rotors 1 "a"

$1,631.00

GiroDisc A1-307 Front Brake Rotors

$1,631.00
Product Description:

GiroDisc A1-307 Front Brake Rotors

These Girodisc A1-307 2-piece front rotors are a direct bolt-on for the Toyota GR Supra 3.0 and BMW G-chassis models equipped with a 348 mm front rotor. Floating construction trims unsprung/rotational mass while preserving OE caliper/ABS function. Replacement rings: D1-307.

GiroDisc A1-307 Front Brake Rotors Fitment Guide

  • Toyota GR Supra 3.0 (A90/A91) – Front
  • BMW G20/G21 M340i – Front
  • BMW G22/G23 M440i – Front
  • BMW G20/G22 with optional M Sport brakes – Front
  • BMW G01 X3 M40i & G02 X4 M40i – Front
  • BMW G29 Z4 M40i – Front

Above applications reflect the 348 mm front rotor package on G-chassis cars.

High-Carbon Rings, 72 Curved Vanes

Proprietary high-carbon iron rings use 72 curved vanes to pull cooling air through the hub for stable temperatures under repeated hard stops. Reusable 6061-T6 hats and cadmium-plated hardware maintain quiet, street-friendly float.

GiroDisc A1-307 Front Brake Rotors Features

  • Direct OE replacement; no modifications required
  • 2-piece floating design reduces unsprung/rotational mass
  • High-carbon iron rings; reusable aluminum hats
  • 72-vane internal geometry for strong airflow
  • Manufactured and assembled in Bellingham, WA
  • Sold/priced per pair

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