Option reference

428 HO 376-hp Quadra-Power 428 HO

performance · optional

Reference Details

Availability: optional
Category: performance
Code: 428 HO
Confidence: documented
Notes: High-output engine requiring billing history and matching component evidence.

1 linked car page.

1967 Pontiac

26657 hardtop and one-year-only 26667 convertible

Auto History Preservation Society / Over-Drive Magazine 1967 Pontiac Full Size Cars Fact Sheet

Pontiac Motor Division, General Motors Corporation 1967 Pontiac Full-Size AMA Specifications

Pontiac Motor Division, General Motors Corporation 1967 Pontiac Grand Prix Brochure