LS4 Factory-verified

Chevrolet · Regular Production Option

454ci 4-bbl V8

Years 1970–82 Models 3 Factory citations 7

Also described as 454ci 275hp V8 (big-block)454ci 270hp V8454 CID V8 235hp

Documented applications

  • 1973 Factory-verified

    $250.00; 4,412 built (kit p.24: $250.00)

    GM Heritage factory kit — 1973 Chevrolet Corvette, p.24.
  • 1974 Factory-verified

    $250.00; 3,494 built; last big-block Corvette year

    GM Heritage factory kit — 1974 Chevrolet Corvette, p.7.
  • 1970- Factory-verified

    4 barrel

    GM Heritage factory kit — 1970 Chevrolet, p.43.
  • 1970–1976 Factory-verified

    365 hp gross in 1970 full-size; net-rated later

    GM Heritage factory kit — 1970 Chevrolet, p.43.
    GM Heritage factory kit — 1976 Chevrolet, p.8.
  • 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.

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.