Description

New bare Jeep 4.0 91/06 cylinder head casting number 331/630/120

Our new bare casting cylinder head are ready for valve train to be installed. Our fully loaded new casting cylinder heads have all new valves, valve spring, spring retainers and locks. These heads are a great stock replacement for your cracked or damaged heads. They typically have a thicker deck and more material then OEM castings.

When ordering please check year and casting numbers.  Also, compare head and photos to make sure all bolt holes, combustion chamber, intake and exhaust ports are the same. If there are any question please contact Enginomics.

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