Timing Chain Tensioner Kit 079109217R 079109218R 06E109465AP 079109507R For S5 A8 S8 Q7 4.2 5.2 FSI BAR BSM This timing chain tensioner kit is designed for use with specific engine models, including those found in S5, A8, S8, and Q7 vehicles equipped with 4.2L and 5.2L FSI engines.It proper tensioning of the timing chain, helping to maintain engine performance and reduce the risk of premature wear.The kit includes metal components built to endure regular engine and deliver function over time.Engineered for precise fitment, the kit supports direct replacement and simplifies the maintenance process.It contains all necessary parts for installation, making it a complete solution for timing chain service.Its design allows for efficient setup whether used by professional technicians or individuals performing repairs independently.The product is intended for engines with BAR and BSM configurations and matches OEM specifications for part numbers 079109217R, 079109218R, 06E109465AP, and 079109507R.This compatibility with requirements and supports consistent operational performance.