- 2025–2027 Factory-verified
2025: LS, RS: S; 2026–2027: LS, RS: S; LT: O; from 2026 included in, and only available with, WJP on LT
8EF Factory-verified
Documented applications
This page aggregates every documented appearance of 8EF in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.