
A fully assembled cylinder head unit including valves and springs, prepared for immediate installation onto the engine block.
Select a brand to find parts compatible with your vehicle.
Select a brand to find parts compatible with your vehicle.
A complete cylinder head assembly (Assy) includes pre-installed valves, springs, and often camshafts. This unit provides a simplified solution for major engine overhauls, reducing labor time and ensuring all internal components are professionally seated and timed. Choosing a complete assembly guarantees that the head meets strict factory tolerances for compression and airflow, providing a reliable baseline for engine recovery.
A complete OE head is factory-assembled and pressure-tested with all valves and springs, guaranteeing immediate and reliable operation.