1.High-Quality Replacement Part: This premium replacement part is an excellent alternative to the 12311-Z8B-000 head valve cover, offering reliable performance at an affordable price. 2.Broad Compatibility: Compatible with various models including GCV160, GCV190, HRR216, HRS216, HRX217, and more. Specifically fits models like GC160LA DHAF, GCV160LA0 BHH, GCV160LA0 N1A, HRR216K9 PKAA, GCV190LA N5B, GCV190LA S3C, and many others for enhanced versatility. 3.Durable and Long-Lasting: Built with high-quality materials to resist wear and tear in tough outdoor conditions, ensuring longevity and consistent engine performance. 4.Includes Valve Cover Gasket: Comes complete with a valve cover gasket to ensure a tight, leak-free seal and reliable operation. 5.Easy to Install: Designed for easy installation, restoring your engine's protective cover quickly with minimal effort.