Option reference

400 HO 400 high-output four-barrel engine

performance · optional

1967 Pontiac GTO hardtop front three-quarter; used as representative 1967 GTO visual context, not as standalone proof of 400 HO drivetrain identity. 1967 Pontiac GTO 400 HO

Reference Details

Availability: optional
Category: performance
Code: 400 HO
Confidence: reported
Notes: Higher-output 400 four-barrel engine path; not a separate special-edition model.

Cars With This Option

1 linked car page.

1967 Pontiac

1967 Pontiac GTO 400 HO

Factory Pontiac GTO ordered with the 400 HO engine path

Sources & Documentation

OldRide 1967 Pontiac Engine Codes

Over-Drive Magazine archive 1967 Pontiac Mid Size Cars Fact Sheet