427ci 435hp Engine (3x2bbl)

Years 1963–79 Models 3 Factory citations 3

Also described as 427ci 435hp V8, Tri-Power, solid lifters427 CID V8

Documented applications

Corvette (C1 / C2)

1967 Factory-verified

$437.10; 3,754 built; top street engine

GM Heritage factory kit — 1967 Chevrolet Corvette, p.57.

Corvette (C3)

1968 Factory-verified

$437.10; 2,898 built

GM Heritage factory kit — 1968 Chevrolet Corvette, p.137.
1969 Factory-verified

$437.10; 2,722 built

GM Heritage factory kit — 1969 Chevrolet Corvette, p.5.

Impala / Full-Size

1963–70s (varies) Single-source

Special high performance 3-2 bbls

This page aggregates every documented appearance of L71 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.