Fitment questions?
Call (855) 786-7101 or text (801) 304-3141.
Real people. Real answers.
Product details
Replace both rear service-brake calipers with Wilwood Narrow Dynapro-P four-piston calipers. This caliper-and-bracket kit includes BP-10 pads and rear braided flexlines; rotors are not included.
Custom color orders: PMB will confirm your requested finish before the order is finalized.
Vehicle Fitment
| Porsche model | Years | Version / application | Required brake setup |
|---|---|---|---|
| 911 | 1984–1985 | Base | Compatible factory rear hubs/uprights; 290 × 24 mm rear-brake configuration |
| 911 | 1984–1989 | Carrera — excludes Turbo Look | Compatible factory rear hubs/uprights; 290 × 24 mm rear-brake configuration |
| 911 | 1989 | Carrera 4 — fitment check required | Contact PMB to check the installed rear hubs and brakes; 964 fitment is not confirmed |
| 911 | 1989 | Speedster | Compatible factory rear hubs/uprights; 290 × 24 mm rear-brake configuration |
Match the brakes and suspension actually fitted to the car. Changed struts, hubs, uprights or previous brake conversions need a separate fitment check.
The 20 mm and 24 mm rear versions are different systems. Match the complete rotor and caliper combination rather than choosing by model year alone.
Turbo and Turbo Look brake configurations require a separate fitment check.
A 15-inch wheel may clear, but diameter alone is not enough. Compare the exact wheel’s barrel and spokes with the wheel-clearance drawing before ordering.
What is included for the rear axle
- Two Narrow Dynapro-P radial-mount four-piston calipers, in the selected finish.
- BP-10 pads for both rear service-brake calipers.
- Caliper mounting brackets, installation hardware and braided stainless steel rear flexlines.
| Caliper | Narrow Dynapro-P radial mount; four pistons per caliper |
|---|---|
| Rotor requirement | 11.42-inch (290 mm) diameter × 0.95 inch (nominal 24 mm) |
| New rotors | Not included; supply compatible serviceable vented rotors |
| Pad compound | BP-10; pad shape 4812 |
Parts to reuse or supply
Retain the compatible factory rear hubs and serviceable 24 mm vented rear rotors. Have the rotor dimensions, condition and service limits checked before installation. Replacement rotors, hubs, a master cylinder, parking-brake parts and brake fluid are not supplied.
Questions before ordering
Does this include both rear sides?
Yes. Calipers, pads, brackets, installation hardware and rear flexlines are supplied for both rear service brakes. Rotors are not included.
Do I need to change the master cylinder?
Wilwood permits the stock OEM master cylinder for the specified Porsche 911 installation. Confirm the front and rear combination with your installer, who must verify pedal travel and brake balance before use.
Installation Documents
Installation instructions and clearance drawings open in a new tab.
Need help matching your Porsche?
Send PMB your model and year, photos of the existing brakes, and any known suspension changes. For front kits, include the caliper mounting-tab measurement; for rear kits, include the rotor thickness. Contact PMB for help choosing the correct kit.
Watch: Wilwood Disc Brakes overview
See how Wilwood designs and manufactures its brake components.
California warning, applicable to brake pads only: Cancer and Reproductive Harm. www.P65Warnings.ca.gov.
