Chevrolet Chevelle · 1969

COPO 427

The 1969 Chevelles built with the 425-hp L72 427 through Chevrolet's Central Office Production Order system, 99 of them for Yenko.

The story

The COPO cars were not SS models but 2-door hardtops with an option package of about $860, $533 of it for the L72, with a heavy-duty suspension and a 4.10:1 Positraction axle.1one source

Because GM lifted its 400-cubic-inch limit for 1970, the COPO Chevelle was a 1969 car only.1one source

How to spot a COPO 427

No performance badges

Except Yenko's 99, no performance badges on the body, and nothing on the engine said 427.1one source

15-inch wheels

Rally-type wheels like the Malibu's, but 15-inch.1one source

Production by year

How many COPO 427s were built each model year.

1969
323
As a table, with notes
YearBuiltNote
196932312Wikipedia calls it an estimate; 99 went to Yenko Chevrolet. Ruling

Engines

The code is Chevrolet's regular production option (RPO) code from GM's own lists; standard engines have none. Until 1971 the VIN tells only six from V8.

YearsCodeEngineRated
1969L72427 cu in V8, solid lifters, aluminum manifold, 800-cfm Holley425 hp1one source

Where the sources disagree

Every conflict behind the figures on this page. All rulings.

Settled

1969 COPO 427 Chevelles

Our ruling: About 323, with 99 for Yenko Chevrolet. Consumer Guide counts 323; Wikipedia gives 323 as an estimate and as the number of COPO orders. GM's 1969 kit does not mention the COPO cars.

What each source says (2)

Sources

  1. 1969 Chevrolet Chevelle COPO 427 HowStuffWorks (Consumer Guide Automotive) · read 2026-10-11
  2. Chevrolet Chevelle Wikipedia · read 2026-10-11

Year by year

The COPO 427 in each model year.

1969Chevrolet ChevelleA facelift with a chrome bar across the grille, the SS 396 turned into an option package, and 323 Chevelles with a 427 by special order.454,100 built