LS4 Factory-verified
Also described as 454ci 275hp V8 (big-block)454ci 270hp V8454 CID V8 235hp454ci 4-bbl V8
Also documented for BuickPontiac
Documented applications
- 1973–1975 Factory-verified
last big-block MC
GM Heritage factory kit — 1973 Chevrolet Monte Carlo, p.6.GM Heritage factory kit — 1975 Chevrolet Monte Carlo, p.6.
- 2006–2009 Factory-verified
The 2006 and 2007 order guides list the 5.3L V8 for the SS (1SS).
GM Heritage factory kit — 2006 Chevrolet Impala, p.115.GM Heritage factory kit — 2007 Chevrolet Impala, p.113.
- 2006–2007 Factory-verified
Wikipedia: SS V8 2006-2007. Also in the kit's Monte Carlo order guide.
GM Heritage factory kit — 2006 Chevrolet Monte Carlo, p.112.
This page aggregates every documented appearance of LS4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.