Upgrade your 2006-2010 Ford 6.0L Power Stroke with the MacIvey Loaded 20mm Dowel Cylinder Heads, engineered for high-performance applications. Built from brand-new castings, not remanufactured. These heads are meticulously inspected, machined, and assembled in the Florida-based MacIvey Machine Shop, which has been producing top-quality cylinder heads since the early 1990s.
Each cylinder head comes fully assembled and ready to install, featuring:
✔ Manton HD 100lb Valve Springs – Designed for ensuring superior valve control and longevity.
✔ New Valves & Seals – Provides optimal performance and reliability, eliminating concerns of worn components.
✔ 20mm Dowel Configuration – Specifically built for early-model 6.0L Power Stroke engines (1/11/2006-2010).
Sold as a Complete Pair. Please confirm dowel size on your truck before ordering.
Built for Power. Engineered for Reliability. MacIvey Cylinder Heads.