New Cylinder Heads are complete new builds; casting & parts including new valve stem seals, soft plugs & verified camshafts all threads are checked & all passages & part interfaces are pressure checked. Product Features:All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original coreAll threads and machined surfaces are and repaired with technology that exceeds the original metalNon-sealing iron surfaces painted to prevent oxidization
