How are the GiroDisc Toyota GR Corolla rotors sold?

The GiroDisc Toyota GR Corolla rotors are sold and priced per pair as a complete 2-piece assembly, including the high-carbon iron rings, reusable 6061-T6 aluminum hats, drive pins, and hardware. One pair covers both front rotors on the GR Corolla.

Do the GiroDisc Toyota GR Corolla rotors fit the OEM setup?

Yes. The GiroDisc Toyota GR Corolla rotors are a direct replacement for the OEM front rotors on the 2023-present GR Corolla, using the factory calipers and pads. The complete assembly bolts on in place of the stock one-piece rotors.

Can I buy just the replacement rings for the GiroDisc Toyota GR Corolla rotors?

Yes, but only after owning the complete assembly. The replacement rings (D1-268) reuse your existing GiroDisc hats and are designed to work only with GiroDisc hats, not OEM or other-brand hats. You must buy the complete GiroDisc Toyota GR Corolla rotors first, then replace only the rings as they wear.

What are the GiroDisc Toyota GR Corolla rotors made of?

The GiroDisc Toyota GR Corolla rotors use 356mm rings machined from a proprietary high-carbon iron casting with 48 curved cooling vanes, a reusable 6061-T6 anodized aluminum hat, and cadmium-plated high-strength steel drive pins. All major parts are made in-house in Bellingham, WA.

When should the GiroDisc Toyota GR Corolla rotors be replaced?

GiroDisc recommends replacing the rings on the GiroDisc Toyota GR Corolla rotors at a minimum thickness of 26mm, or sooner if a crack reaches the edge of the ring. Because the hats are reusable, you replace only the rings (D1-268) rather than the entire assembly.

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Description

GiroDisc 2023+ Toyota GR Corolla Slotted Front Rotors

Toyota GR Corolla rotors from GiroDisc are 2-piece, fully floating slotted front rotors, a direct replacement for the OEM front rotors on the 2023-present GR Corolla. These GiroDisc Toyota GR Corolla rotors shed unsprung weight and rotating mass from the front axle, pairing a high-carbon iron ring with a reusable 6061-T6 aluminum hat for a race-ready assembly that stays street-friendly. The 356mm rings are machined from a proprietary high-carbon iron casting, and the 48 curved cooling vanes act as a centrifugal pump that pulls air through the hub to cool the rotor under hard use. Sold and priced per pair as a complete rotor assembly.

Why the GiroDisc Toyota GR Corolla Rotors?

The GiroDisc Toyota GR Corolla rotors use a 2-piece, fully floating design that reduces unsprung weight and rotating mass compared to the heavy OEM one-piece rotor, improving braking response and reducing thermal transfer to the hub and bearings. Each ring is machined from a proprietary high-carbon iron casting formulated to GiroDisc’s specifications for superior metallurgy that holds up better under repeated hard stops. The assembly is held together with spring clips and Belleville washers, giving race-ready float while staying quiet on the street with no noise from loose hardware.

Cooling and Construction

The 48 curved internal vanes of the GiroDisc Toyota GR Corolla rotors act as a centrifugal pump, drawing air in through the hub to cool the rings effectively under hard use. The reusable hat is machined from 6061-T6 aluminum and finished in black anodize, and the drive pins are made from a high-strength steel alloy and cadmium-plated for corrosion resistance. All major components, including the hats, rotor rings, and drive pins, are manufactured in-house in Bellingham, WA, from domestically sourced materials.

A Reusable Two-Piece Design

The 2-piece design of the GiroDisc Toyota GR Corolla rotors means the aluminum hat is reusable. When the rings wear out, you replace only the rings (GiroDisc part number D1-268) and reuse your existing hats, lowering the long-term cost of maintaining the brakes. GiroDisc recommends replacing the rings at a minimum thickness of 26mm, or sooner if a crack reaches the edge of the ring. Note that GiroDisc replacement rings are designed to work only with GiroDisc hats; they will not fit OEM or other-brand hats, so the complete assembly must be purchased first before replacement rings can be used.

Features

2-piece, fully floating front rotor assembly
Direct replacement for the OEM front rotors
356mm high-carbon iron rings, proprietary GiroDisc casting
48 curved cooling vanes that pump air through the hub
Reusable 6061-T6 aluminum hat with black anodize finish
High-strength steel alloy drive pins, cadmium-plated for corrosion resistance
Spring clips and Belleville washers for race-ready float with no street noise
Reduces unsprung weight and rotating mass versus OEM
Rings replaceable separately (D1-268) using the reusable hats
Manufactured in-house in the USA from domestically sourced materials

Applications

Toyota GR Corolla: 2023-present

Notes

Sold and priced per pair (one set of front rotors)
This is the complete rotor assembly (rings, hats, and hardware). Replacement rings (D1-268) are sold separately and work only with GiroDisc hats, not OEM or other-brand hats, so this complete assembly must be purchased first.
Replace the rings at a minimum thickness of 26mm, or sooner if a crack reaches the edge of the ring

Frequently Asked Questions

How are the GiroDisc Toyota GR Corolla rotors sold? The GiroDisc Toyota GR Corolla rotors are sold and priced per pair as a complete 2-piece assembly, including the high-carbon iron rings, reusable 6061-T6 aluminum hats, drive pins, and hardware. One pair covers both front rotors on the GR Corolla.
Do the GiroDisc Toyota GR Corolla rotors fit the OEM setup? Yes. The GiroDisc Toyota GR Corolla rotors are a direct replacement for the OEM front rotors on the 2023-present GR Corolla, using the factory calipers and pads. The complete assembly bolts on in place of the stock one-piece rotors.
Can I buy just the replacement rings for the GiroDisc Toyota GR Corolla rotors? Yes, but only after owning the complete assembly. The replacement rings (D1-268) reuse your existing GiroDisc hats and are designed to work only with GiroDisc hats, not OEM or other-brand hats. You must buy the complete GiroDisc Toyota GR Corolla rotors first, then replace only the rings as they wear.
What are the GiroDisc Toyota GR Corolla rotors made of? The GiroDisc Toyota GR Corolla rotors use 356mm rings machined from a proprietary high-carbon iron casting with 48 curved cooling vanes, a reusable 6061-T6 anodized aluminum hat, and cadmium-plated high-strength steel drive pins. All major parts are made in-house in Bellingham, WA.
When should the GiroDisc Toyota GR Corolla rotors be replaced? GiroDisc recommends replacing the rings on the GiroDisc Toyota GR Corolla rotors at a minimum thickness of 26mm, or sooner if a crack reaches the edge of the ring. Because the hats are reusable, you replace only the rings (D1-268) rather than the entire assembly.

About GiroDisc

GiroDisc designs, manufactures, and sells 2-piece, fully floating brake rotors for a wide range of performance vehicles. Every major component, including the hats, rotor rings, and drive pins, is manufactured in-house at their facility in Bellingham, Washington, from domestically sourced materials. GiroDisc rotors use a proprietary high-carbon iron ring formulated for superior metallurgy and thermal performance, paired with reusable machined-aluminum hats that reduce the long-term cost of maintaining a high-performance brake system. The 2-piece floating design sheds unsprung and rotating mass while remaining street-friendly, delivering race-proven braking for track and street use alike.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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GiroDisc 2023+ Toyota GR Corolla Slotted Front Rotors [A1-268]

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GiroDisc 2023+ Toyota GR Corolla Slotted Front Rotors

Why the GiroDisc Toyota GR Corolla Rotors?

Cooling and Construction

A Reusable Two-Piece Design

Features

Applications

Notes

Frequently Asked Questions

About GiroDisc

Reviews