- 2019 Confirmed
only in: ZR1; all trims: O; comes with ZTK; GM 2019 order guide (CAC and GM Authority copies)
FEB Factory-verified
Also described as Z52 Sport Performance Package
Documented applications
- 2027 Factory-verified
only in: Grand Sport; includes J56 brakes, XFR tires and B4Z
This page aggregates every documented appearance of FEB in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.