This VICTOR REINZ valve stem seal, part number 70-17500-00, is engineered to meet stringent quality standards for optimal engine function. It plays a crucial role in preventing oil from entering the combustion chamber, thereby reducing oil consumption and exhaust smoke. Properly functioning valve stem seals are essential for maintaining engine compression and preventing premature wear on engine components. This seal is designed for a precise fit, ensuring effective sealing and long-lasting durability under demanding engine conditions. Installation should be performed by a qualified technician to guarantee proper function and engine longevity.