LS1 Factory-verified

Chevrolet · Regular Production Option

Engine, gas, 8 cylinder, 5.7L, sequential fuel injection, aluminum

Years 1969–82, 1997–04 Models 3 Factory citations 17
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Also described as 427 CID V8427ci 335 hp V8Engine, gas, V8, 5.7L, multiport fuel injection, aluminum

Also documented for Pontiac

Documented applications

  • 1969- Factory-verified

    4 barrel

    GM Heritage factory kit — 1969 Chevrolet, p.8.
  • 1969 Factory-verified
    GM Heritage factory kit — 1969 Chevrolet, p.8.

This page aggregates every documented appearance of LS1 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.