Which car is the GiroDisc Z/28 Rear Iron Rotor Conversion made for?

The GiroDisc Z/28 Rear Iron Rotor Conversion is made for the fifth-generation Chevrolet Camaro Z/28. It replaces the factory carbon-ceramic rear discs with two-piece iron rotors, each built from a slotted cast iron ring floating on an aluminum hat. Twelve drive pins carry each ring.

Should the front and rear conversions be done together?

Yes, in most cases. Converting both axles puts the whole car on iron rings with one service routine, and GiroDisc offers the A1-172 front conversion for that purpose. Contact Bulletproof Automotive to confirm the full parts list for a four-corner conversion.

How is the rear ring held on the hat?

Twelve high-strength alloy steel drive pins, made by GiroDisc in the USA and cadmium plated for corrosion resistance, hold each ring. They transmit braking load while allowing axial and radial float, and class 12.9 cap screws with hardened washers secure every pin.

Is the rear conversion noisy at low speed?

No. Anti-noise spring washers sit on the rotor side of every drive pin. They let the iron ring grow as it heats but hold it firmly when cold, which removes the clatter often linked with floating rotors on a road-driven car.

How should worn rear rings be dealt with?

Replace the rings when they reach the minimum thickness marked on the hat and ring edge, or if a crack reaches the edge. GiroDisc does not list a separate ring set for this part, so contact Bulletproof Automotive for the correct replacement when the time comes.

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Description

GiroDisc Z/28 Rear Iron Rotor Conversion for 5th Gen Chevrolet Camaro

GiroDisc’s Z/28 Rear Iron Rotor Conversion for the fifth-generation Chevrolet Camaro takes the rear axle off the factory carbon-ceramic discs and onto two-piece iron rotors. Each slotted ring is cast from GiroDisc’s proprietary iron, poured in the USA and machined in Bellingham, Washington, then floated on a US-sourced 6061-T6 hat with twelve drive pins. Paired with the front conversion, it puts the whole Z/28 on iron for owners who would sooner replace rings than ceramic discs.

Construction

Twelve high-strength alloy steel drive pins, made by GiroDisc and cadmium plated, carry the braking load while allowing the ring to float axially and radially. Class 12.9 cap screws with hardened washers secure them, and anti-noise spring washers on the rotor side stop the rattle floating rotors can make when cold. Curved vanes pump air from the hub through the disc.

Features

Converts the Z/28 rear axle from carbon-ceramic to iron
Twelve cadmium-plated drive pins per rotor
Slotted ring poured in the USA, machined in-house
Curved cooling vanes developed in racing
Anti-noise spring washers for quiet operation
Reusable 6061-T6 aluminum hats

What’s Included

Rear rotor assemblies (L/R)

Applications

Chevrolet Camaro Z/28: 5th Gen | 7.0L V8

Notes

The Z/28 Rear Iron Rotor Conversion is listed for the fifth-generation Camaro Z/28 with factory carbon-ceramic brakes
Contact Bulletproof Automotive before ordering to confirm the installation requirements for your car
The GiroDisc Z/28 front iron rotor conversion completes the set
Cap screws are never tightened beyond 60 in-lb, or 7 Nm
Stock photography may not depict the actual product

Frequently Asked Questions

Which car is the GiroDisc Z/28 Rear Iron Rotor Conversion made for? The GiroDisc Z/28 Rear Iron Rotor Conversion is made for the fifth-generation Chevrolet Camaro Z/28. It replaces the factory carbon-ceramic rear discs with two-piece iron rotors, each built from a slotted cast iron ring floating on an aluminum hat. Twelve drive pins carry each ring.
Should the front and rear conversions be done together? Yes, in most cases. Converting both axles puts the whole car on iron rings with one service routine, and GiroDisc offers the A1-172 front conversion for that purpose. Contact Bulletproof Automotive to confirm the full parts list for a four-corner conversion.
How is the rear ring held on the hat? Twelve high-strength alloy steel drive pins, made by GiroDisc in the USA and cadmium plated for corrosion resistance, hold each ring. They transmit braking load while allowing axial and radial float, and class 12.9 cap screws with hardened washers secure every pin.
Is the rear conversion noisy at low speed? No. Anti-noise spring washers sit on the rotor side of every drive pin. They let the iron ring grow as it heats but hold it firmly when cold, which removes the clatter often linked with floating rotors on a road-driven car.
How should worn rear rings be dealt with? Replace the rings when they reach the minimum thickness marked on the hat and ring edge, or if a crack reaches the edge. GiroDisc does not list a separate ring set for this part, so contact Bulletproof Automotive for the correct replacement when the time comes.

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 Z/28 Rear Iron Rotor Conversion for 5th Gen Chevrolet Camaro [A2-172]

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GiroDisc Z/28 Rear Iron Rotor Conversion for 5th Gen Chevrolet Camaro

Construction

Features

What’s Included

Applications

Notes

Frequently Asked Questions

About GiroDisc

Reviews