GiroDisc 2-Piece Slotted Rotors – BMW M340i/M440i/M240i / Toyota Supra (B58)

OVERVIEW

GiroDisc two-piece floating rotors replace the heavy one-piece OE rotors on the B58 G-chassis BMWs and GR Supra with a slotted iron ring on a hard-anodized aluminium hat — less unsprung/rotating weight and better heat management. Select front or rear.

SPECS

• Two-piece floating design; slotted iron ring on aluminium hat
• Reduced rotating and unsprung weight versus OE
• Rebuildable — replace rings without buying new hats
• Sold as a front or rear pair (per selected variant)

PARTS INCLUDED

• One GiroDisc two-piece rotor pair (front or rear per selection)
• Floating hardware and hats

TECH RESOURCES

• Follow the manufacturer's bedding-in procedure before hard use
• Professional installation and proper brake bedding-in recommended

PART NUMBER

• Front — A1-307
• Rear — A2-307

VEHICLE APPLICATIONS