PPE One Cast Iron Cylinder Head 04.5-10 GM 6.6L Duramax

This Premium cast Iron Cylinder Head from PPE (Pacific Performance Engineering) is designed to fit GM Duramax 6.6L engines. Sold as a bare head with no valve seat or guide machining, it provides a solid foundation for custom valve jobs and performance builds where exacting tolerances and aftermarket machining work are planned.

Manufactured from durable cast iron and engineered to OE‑compatible specifications, this cylinder head is ideal for engine builders, performance shops, and enthusiasts who want a high‑quality core for rebuilds, upgrades, or modifications. The rugged construction holds up well to high‑load applications and is suitable for both high‑performance and heavy‑duty use when paired with proper machining and assembly.

PPE’s cast iron cylinder heads are a dependable choice for engine builds that demand strength, compatibility, and the freedom to customize. Making them an excellent foundation for upgraded or performance‑oriented Duramax 6.6L engines.