Upgrade your braking system with the GiroDisc 350mm Front Rotors—designed as a direct, bolt-on replacement for your car’s factory discs. Built with a lightweight 6061-T6 aluminum hat and Porsche-grade cast iron disc ring, this system enhances cooling, reduces unsprung mass, and maintains your vehicle’s factory brake bias and ABS system. Ideal for street performance and spirited driving, these rotors offer real-world benefits without the complexity of a full big-brake conversion.
Fitment Notes
Bolt-on direct replacement - uses factory mounting points and factory calipers.
Sold as a pair (left and right front rotors).No modifications to hub or caliper required - spacers supplied where needed.
Designed for Porsche 991 and 992 Carrera models equipped with OEM Iron Rotors.
Included
Pair of 2-piece floating rotors (disc + hat)
High-strength alloy steel drive pins (cadmium plated) and class 12.9 cap screws
Anti-noise spring washers and mounting hardware
Installation instructions and service documentation
Product Specs
Disc diameter: 350 mm (approx. 13.78″)
Hat material: U.S.-sourced 6061-T6 aircraft-spec aluminum
Disc material: Proprietary cast iron, machined in-house in the U.S.
Floating mount system: 10 high-strength alloy steel drive pins with cadmium plating and anti-noise washers
Two-piece design: Hat + disc allow for future ring replacement without full rotor swap
Product Features
Reduced unsprung and rotational weight: The lighter design enhances suspension and braking responsiveness.
Improved cooling and fade resistance: Curved vane design pumps air through the disc, maintaining optimal temperatures under aggressive use.
Direct fit using factory calipers: Keeps brake bias and ABS functioning as intended for safety and performance.
Serviceable design: Only the disc ring needs replacement when worn, lowering long-term maintenance cost.
Premium U.S.-manufacture: Cast, machined, and assembled in house for quality, consistency, and durability.
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