Parts & Accessories Spare parts For sale, left and right engine heads, imported, very clean, without GDI, free from grinding, with all its accessories. Air valves, exhaust valves, timing shafts, and gears. Nothing has ever been removed from them, factory tightened. Engine size: 3.5 Engine type: G6DC Kia Cadenza, Kia Carnival, Hyundai Santa Fe, and Azera.