- 2014 Confirmed
GM Authority 2014 RPO list
SLN Factory-verified
Also described as LPO, Engine cross brace, visible carbon fiber
Documented applications
- 2019 Factory-verified
- 2024–2027 Factory-verified
This page aggregates every documented appearance of SLN in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.