Fits Front of
- Porsche 981 w/PCCB
- Porsche 987 w/PCCB
- Porsche 997 Turbo NON-PCCB
- Porsche 996 C4S [Upgrade]
- Porsche 996 Turbo [Upgrade]
- Porsche 997 C2S/C4S [Upgrade]
- Porsche 991.1 Carrera S/4S/GTS
- Porsche 991.1 (Use GT3 Fr. Pad 4924)
- Porsche 991.2 (Use GT3 Fr. Pad 4924)
- Porsche 911.2 Carrera s/4S/GTS w/o PCCB
- Porsche 992 Carrera S/4S w/o PCCB

The Girodisc A1-156 system for the Porsche 410mm PCCB Front Rotor

Fits Front
- Porsche 911 Turbo/Turbo S
- Porsche 911.2 Carrera Base/C4/T
- Porsche 911.2 Carrera s/4S/GTS
- Porsche 992 Carrera S/4S
- Porsche 992 Carrera GTS