Description
This intake valve (IV‑578) is manufactured to original Buick specifications for all 1957–1958 V‑8 engines. Each valve is precision‑machined to ensure proper seating, smooth intake flow, and dependable performance in restored or rebuilt engines.
Features
- Correct replacement for factory intake valve IV‑578
- Fits all 1957–1958 Buick V‑8 models
- Manufactured to OEM dimensional standards
- Heat‑treated alloy for improved wear resistance
- Ideal for stock rebuilds, restorations, and period‑correct repairs
A reliable, high‑quality component for maintaining authentic performance in late‑1950s Buick V‑8 engines.





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