The INA Porsche Engine Valve Lifter - 4200052100 is a high-quality valve lifter designed specifically for use in Porsche engines. It is made by INA, a reputable manufacturer known for producing durable and reliable automotive parts. This valve lifter is designed to effectively lift and lower the engine valves, allowing for proper air and fuel flow and optimal engine performance. It is compatible with various Porsche models and is made with precision and attention to detail to ensure a perfect fit and function. This product is an essential component for maintaining the smooth operation of a Porsche engine and is built to withstand the demanding conditions of high-performance driving.