Authenticity reference

Ram Air IV engine identity

numbers matching · documented

Evidence graphic summarizing regular Firebird 400 Ram Air IV authentication anchors and clone risks. 1969 Pontiac Firebird 400 Ram Air IV

Reference Details

Common issue: Ram Air III, 400 HO, or non-Ram-Air components represented as Ram Air IV
Confidence: documented
Correct value: Round-port Ram Air IV 400 with source-consistent induction, carburetor path, date/casting evidence, and paperwork
Where to check: Engine code pad, block/head/intake/carburetor casting and date evidence, Ram Air hardware, service records, and factory billing

1 linked car page.

1969 Pontiac

Regular Firebird 400 Ram Air IV path; separate from the WS4 Trans Am package.