# Girodisc Rear Brake Rotors 325x20 for Porsche Cayman (987.2 and 981) - Boxster (2012-2016)

> Pair of Girodisc rear brake pads, 325 × 20 mm, part no.: D2-035. Replacement cast-iron pads for Girodisc floating rotors, compatible with Porsche Cayman (987.2) (2005–2013); Porsche Cayman (981) and Boxster (2012–2016); Porsche Cayman (981) and Boxster S and GTS (2012–2016); Porsche 718 (982) Cayman and Boxster (2016+); Porsche 718 (982) Cayman and Boxster S and GTS (2016+). Rotors not included.

- URL: https://www.gt2i.ch/en/brake-rotor/224237-girodisc-rear-brake-rotors-325x20-for-porsche-cayman-9872-and-981-boxster-2012-2016-3666618855622.html
- Reference: GIRO-D2-035
- Price: CHF 945.50
- Brand: GIRODISC
- Availability: out of stock

## Description

The Girodisc D2-035 rear replacement braking surfaces (325 × 20 mm) allow you to replace the braking surfaces on your GIRODISC bowl-style rear discs for your Porsche Cayman (987.2) (2005–2013), Porsche Cayman (981) and Boxster (2012–2016), Porsche Cayman (981) and Boxster S and GTS (2012–2016), Porsche 718 (982) Cayman and Boxster (2016+), and Porsche 718 (982) Cayman and Boxster S and GTS (2016+), while retaining the compatible rotors after inspection. These cast-iron tracks maintain the floating mounting’s functionality and facilitate maintenance of a braking system subjected to repeated stress. Sold in pairs, without rotors.
The curved internal cooling fins channel air through the disc to dissipate heat during repeated braking. The floating mounting limits stresses caused by differences in thermal expansion between the track and the caliper housing and helps the track center itself between the pads to maintain consistent contact when hot.
New brake pads must be installed with new rotors or brake discs. Their shape and compound must match the mounting configuration, cast material, and intended use; follow the specific requirements for this part number and perform the prescribed break-in procedure.
Specifications for Girodisc D2-035 tracks for compatible vehicles
Brand: Girodisc
PartNumber: D2-035
Position: rear
Sizes (diameter × thickness): 325 × 20 mm
Vehicles and models: Porsche Cayman (987.2) (2005–2013); Porsche Cayman (981) and Boxster (2012–2016); Porsche Cayman (981) and Boxster S and GTS (2012–2016); Porsche 718 (982) Cayman and Boxster (2016+); Porsche 718 (982) Cayman and Boxster S and GTS (2016+)
Braking surface: high-resistance cast steel
Packaging: pair of pads, one left and one right; rotors not included.
Compatible discs: discs from the corresponding Girodisc kit; check by part number; not universally compatible with original equipment discs.
Mounting hardware: mounting kit included; replace the entire disc-to-hub mounting assembly during reassembly.
Related catalog part: A2-035.
Internal ventilation: directional curved fins
Minimum thickness: 18 mm
Original rotor diameter: 298 mm
Manufacturing of main components: United States
Vehicles compatible with Girodisc part number D2-035
Porsche Cayman (987.2) (2005–2013)
Porsche Cayman (981) and Boxster (2012–2016)
Porsche Cayman (981) and Boxster S and GTS (2012–2016)
Porsche 718 (982) Cayman and Boxster (2016+)
Porsche 718 (982) Cayman and Boxster S and GTS (2016+)
Porsche Cayman (987.2) (2005–2013): Base model; front/rear mounting in 340/325 mm with spacers and fasteners.
Porsche Cayman (987.2) (2005–2013): The existing mounting must retain the appropriate caliper spacers.
Porsche Cayman (981) and Boxster (2012–2016): Base version; front/rear mounting in 340/325 mm with spacers and fasteners.
Porsche Cayman (981) and Boxster (2012–2016): The existing mounting must retain the appropriate caliper spacers.
Porsche Cayman (981) and Boxster S and GTS (2012–2016): Front/rear mounting in 350/325 mm with spacers and fasteners.
Porsche Cayman (981) and Boxster S and GTS (2012–2016): The existing mounting must retain the appropriate caliper spacers.
Porsche 718 (982) Cayman and Boxster (2016+): Base version; front/rear 350/325 mm mounting with spacers and fasteners.
Porsche 718 (982) Cayman and Boxster (2016+): The existing mounting must retain the appropriate caliper spacers.
Porsche 718 (982) Cayman and Boxster S and GTS (2016+): Front/rear mounting in 350/325 mm with spacers and fasteners.
Porsche 718 (982) Cayman and Boxster S and GTS (2016+): The existing mounting must retain the appropriate caliper spacers.
Each application is subject to its specific brake system configuration, calipers, and any requirements for brake pads or spacers. Please verify these conditions before ordering.
Girodisc D2-035 Mounting Requirements
Porsche Cayman (987.2) (2005–2013): Base version; front/rear mounting in 340/325 mm with spacers and fasteners.
Porsche Cayman (987.2) (2005–2013): The existing mounting must retain the appropriate caliper spacers.
Porsche Cayman (981) and Boxster (2012–2016): Base version; front/rear mounting in 340/325 mm with spacers and fasteners.
Porsche Cayman (981) and Boxster (2012–2016): The existing mounting must retain the appropriate caliper spacers.
Porsche Cayman (981) and Boxster S and GTS (2012–2016): Front/rear mounting in 350/325 mm with spacers and fasteners.
Porsche Cayman (981) and Boxster S and GTS (2012–2016): The existing mounting must retain the appropriate caliper spacers.
Porsche 718 (982) Cayman and Boxster (2016+): Base version; front/rear 350/325 mm mounting with spacers and fasteners.
Porsche 718 (982) Cayman and Boxster (2016+): The existing mounting must retain the appropriate caliper spacers.
Porsche 718 (982) Cayman and Boxster S and GTS (2016+): Front/rear mounting in 350/325 mm with spacers and fasteners.
Porsche 718 (982) Cayman and Boxster S and GTS (2016+): The existing mounting must retain the appropriate caliper spacers.
Brake Pads and Brake System for Compatible Vehicles
Select brake pads whose shape is compatible with the calipers, track, and/or D2-035 rotors, and whose compound is suitable for sport driving or track use. The Endless, pagid Racing, or Ferodo Racing ranges may be considered after verifying the appropriate part number.
For intensive use, we recommend compatible aviation-grade flexible hoses and high-performance brake fluid that meets the vehicle’s specifications, along with proper bleeding and fluid replacement. This recommendation complements the mounting compatible with the original hydraulic system.
Maintenance of the Girodisc mounting on compatible vehicles
When worn, replace the pads with the part number compatible with your existing rotors. Reusing a rotor for up to three pad replacements is subject to inspection of its condition, its mountings, and the mounting instructions; this number does not constitute a guaranteed service life. Use a new mounting each time you replace the pads.
FAQ — Girodisc D2-035 for compatible vehicles
What are the sizes of the D2-035 tracks for my vehicle? The part number shown measures 325 × 20 mm and mounts to the rear axle. The track height, mounting bracket, and cups must also be compatible with the mounting.
Is the product sold in pairs? Yes. It includes a left and a right component for the same axle. The brake cups are not included.
Do I need to replace my vehicle’s brake pads?Yes. Always install new brake pads with new rotors or new braking surfaces. Use a compound suitable for cast iron and your intended use. The existing mounting must retain the appropriate caliper spacers.
How do I identify the left and right sides? Girodisc rotors come with a label attached to each rotor: LEFT for the left side and RIGHT for the right side, as viewed from the direction of travel. On a left-hand-drive vehicle, “LEFT” corresponds to the driver’s side and “RIGHT” to the passenger side. Follow these labels and the instructions. On models with curved internal fins, the rolling direction depends on this internal ventilation; the surface grooves alone are not sufficient to determine the side.
How do I break in this mounting on my vehicle? Follow the Girodisc procedure and the brake pad manufacturer’s instructions to build up an even transfer ply. The PDF documents below detail installation and break-in.
PDF Documents for Mounting and Break-in
We have included two PDF documents below: an instruction manual for installing and breaking in the discs, and an instruction manual for installing new tracks on existing bowls. Consult the document that applies to your specific task before you begin.
Key Features of the Girodisc D2-035
325 × 20 mm size for rear braking on compatible vehicles.
Internal ventilation via curved fins to dissipate heat.
Replaceable tracks to maintain a two-part mounting.
Left/right pair identified for mounting.
Compatible with existing aluminum brake rotors to preserve the benefits of the two-piece mounting on unsprung and rotating masses.

## Features

- Product type: Alternative Track
- Diameter in mm: 325
- Position: Rear
- Thickness: 20