Do the GiroDisc Ferrari 355 Challenge front rotors require any modifications?

No. The GiroDisc Ferrari 355 Challenge front rotors are a direct OE replacement that bolts directly to the car and works with the factory calipers and factory brake pads without any modifications, caliper changes, or pad changes required.

What makes GiroDisc Ferrari 355 Challenge front rotors suited to sustained race use?

The GiroDisc Ferrari 355 Challenge front rotors are machined from a proprietary high-carbon iron casting to GiroDisc's own metallurgical specification, sustaining more consistent friction characteristics across repeated hard-braking zones than standard iron alternatives. The curved vane design acts as a centrifugal pump pulling active cooling air through the disc — more effective than passive vane designs under race conditions.

How does the 2-piece design benefit the Ferrari 355 Challenge front rotors?

The 2-piece fully floating design of the GiroDisc Ferrari 355 Challenge front rotors allows the iron ring to expand thermally without distorting the aluminum hat, maintaining dimensional stability and consistent pedal feel across an entire race session. Anti-noise spring washers keep the rotor quiet when cold while preserving the full float under operating temperature.

What happens when the GiroDisc Ferrari 355 Challenge front rotor rings wear out?

Only the rings need replacing — not the full assembly. The reusable 6061-T6 aluminum hat is retained, making ongoing maintenance significantly more cost-effective than replacing full single-piece rotors across a season of competition.

Is there a matching rear rotor for the Ferrari 355 Challenge?

Yes. The GiroDisc Ferrari 355 Challenge rear rotors (A2-054) are available separately and recommended for a matched front-to-rear upgrade with consistent braking balance and thermal behavior across both axles.

Do the GiroDisc Ferrari 355 front rotors require any modifications?

No. The GiroDisc Ferrari 355 front rotors are a direct OE replacement that bolts directly to the car and works with the factory calipers and factory brake pads without any modifications, caliper changes, or pad changes required.

What makes the GiroDisc Ferrari 355 front rotors suited to sustained race use?

The GiroDisc Ferrari 355 front rotors are machined from a proprietary high-carbon iron casting to GiroDisc's own metallurgical specification, sustaining more consistent friction characteristics across repeated hard-braking zones than standard iron alternatives. The curved vane design acts as a centrifugal pump pulling active cooling air through the disc, more effective than passive vane designs under race conditions.

How does the 2-piece design benefit the Ferrari 355 front rotors?

The 2-piece fully floating design of the GiroDisc Ferrari 355 front rotors allows the iron ring to expand thermally without distorting the aluminum hat, maintaining dimensional stability and consistent pedal feel across an entire race session. Anti-noise spring washers keep the rotor quiet when cold while preserving full float at operating temperature.

What happens when the GiroDisc Ferrari 355 front rotor rings wear out?

Only the rings need replacing, not the full assembly. The reusable 6061-T6 aluminum hat is retained, making ongoing maintenance significantly more cost-effective than replacing full single-piece rotors across a season of competition.

Is there a matching rear rotor for the Ferrari 355 front rotors?

Yes. The GiroDisc Ferrari 355 Challenge rear rotors (A2-054) are available separately and recommended for a matched front-to-rear upgrade with consistent braking balance and thermal behavior across both axles.

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Description

GiroDisc Front Rotors for Ferrari 355 Challenge

Ferrari 355 front rotors from GiroDisc are a 2-piece, fully floating, direct OE replacement for the Ferrari 355 Challenge, engineered to deliver consistent, high-performance braking under sustained hard use in motorsport competition without any modifications to the car. The GiroDisc Ferrari 355 front rotors bolt directly to the car and work with OE calipers; no caliper changes, bracket modifications, pad changes, or additional hardware required. Built to GiroDisc’s own metallurgical and engineering specifications, every major component is manufactured in-house at their facility in Bellingham, WA, from domestically sourced materials.

Why Choose GiroDisc Ferrari 355 Front Rotors?

The Ferrari 355 Challenge is a demanding motorsport application, with sustained lap-after-lap braking zones and repeated high-temperature thermal cycles across a race weekend. The GiroDisc Ferrari 355 front rotors are machined from a proprietary high-carbon iron casting formulated to GiroDisc’s own metallurgical specification, sustaining consistent friction characteristics and holding up better under sustained hard use than standard iron alternatives. The racing-developed curved vane design acts as a centrifugal pump, forcing cooling air through the disc for active thermal management across repeated hard-braking zones. The 2-piece fully floating design uses 8 or 10 high-strength alloy steel drive pins, manufactured in-house and cadmium-plated for long-term corrosion resistance, that take the braking load while maintaining axial and radial float between the hat and disc. Anti-noise spring washers let the rotor expand under heat while eliminating floating-rotor rattle, and the float lets the rotor self-center between the pads. When the disc wears out, only the ring needs replacing; the aluminum hat is reusable.

Construction and Materials

The central hat section of the GiroDisc Ferrari 355 front rotors is machined from 6061-T6 aircraft-specification aluminum sourced in the USA and finished in black anodize. The disc is made from GiroDisc’s own proprietary cast iron, poured in the USA and machined start to finish in-house at GiroDisc’s Bellingham, WA facility. Drive pins are grade 12 cap-screwed with hardened washers and cadmium-plated high-strength alloy steel, manufactured in-house to GiroDisc’s own specifications.

Features

Direct OE replacement for the Ferrari 355 Challenge, bolts to the car with no modifications
Works with OE calipers; no caliper changes, bracket modifications, or pad changes required
2-piece fully floating design with 8 or 10 high-strength alloy steel drive pins
Proprietary high-carbon iron rings poured and machined in-house in the USA
Curved vane design acts as a centrifugal pump for active cooling under race conditions
Anti-noise spring washers eliminate rattle; rotor self-centers between pads
Reusable 6061-T6 aluminum hat, black anodized finish
Drive pins cadmium-plated for long-term corrosion resistance

Applications

Ferrari 355 Challenge: F129 | 1995-1999

Notes

Sold and priced per pair (one set of front rotors)
Direct OE replacement, no modifications required. Works with factory calipers and factory brake pads.
Matching rear rotors available separately (A2-054)
Stock photography may not depict the actual product

Frequently Asked Questions

Do the GiroDisc Ferrari 355 front rotors require any modifications? No. The GiroDisc Ferrari 355 front rotors are a direct OE replacement that bolts directly to the car and works with the factory calipers and factory brake pads without any modifications, caliper changes, or pad changes required.
What makes the GiroDisc Ferrari 355 front rotors suited to sustained race use? The GiroDisc Ferrari 355 front rotors are machined from a proprietary high-carbon iron casting to GiroDisc’s own metallurgical specification, sustaining more consistent friction characteristics across repeated hard-braking zones than standard iron alternatives. The curved vane design acts as a centrifugal pump pulling active cooling air through the disc, more effective than passive vane designs under race conditions.
How does the 2-piece design benefit the Ferrari 355 front rotors? The 2-piece fully floating design of the GiroDisc Ferrari 355 front rotors allows the iron ring to expand thermally without distorting the aluminum hat, maintaining dimensional stability and consistent pedal feel across an entire race session. Anti-noise spring washers keep the rotor quiet when cold while preserving full float at operating temperature.
What happens when the GiroDisc Ferrari 355 front rotor rings wear out? Only the rings need replacing, not the full assembly. The reusable 6061-T6 aluminum hat is retained, making ongoing maintenance significantly more cost-effective than replacing full single-piece rotors across a season of competition.
Is there a matching rear rotor for the Ferrari 355 front rotors? Yes. The GiroDisc Ferrari 355 Challenge rear rotors (A2-054) are available separately and recommended for a matched front-to-rear upgrade with consistent braking balance and thermal behavior across both axles.

About GiroDisc

Founded in 2003, GiroDisc set out to revolutionize performance braking by designing and manufacturing two-piece brake rotors engineered to perform flawlessly under extreme conditions. Traditional one-piece rotors are heavy, retain heat, and increase unsprung weight, which hurts handling; GiroDisc’s fully floating design uses tension hardware for silent street operation while delivering track-ready performance. By focusing exclusively on this specialized niche, GiroDisc has advanced its engineering and manufacturing to industry-leading standards, letting enthusiasts upgrade their existing brake systems without the expense and complexity of a big brake kit. Based in Bellingham, Washington, GiroDisc handles every aspect of production on site, from design and engineering to manufacturing and fulfillment.

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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GiroDiscFront Rotors for Ferrari 355 Challenge [A1-054]

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GiroDisc Front Rotors for Ferrari 355 Challenge

Why Choose GiroDisc Ferrari 355 Front Rotors?

Construction and Materials

Features

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Frequently Asked Questions

About GiroDisc

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