This Febi Timing Chain Guide, part number 25050, is a crucial component for controlling your engine's valve timing. It connects the crankshaft and camshaft to ensure they operate in sync. Signs of wear, such as rattling noises, can indicate potential damage and affect valve timing. This guide is designed for optimal performance and longevity, ensuring the proper functioning of your engine's timing system. It's important to have this part installed by a qualified individual. Always check compatibility with your specific vehicle before purchase. Quantity included: 1 unit.