DAYCO TIMING CHAIN KIT WITH VVT ACTUATORS TO SUIT HOLDEN CALAIS VZ ALLOYTEC LY7 3.6L V6Dayco Timing Chain Kit: Engineered for Performance and Durability Dayco timing chain kits are designed with a system based approach to ensure seamless integration of all components including chains, hydraulic tensioners, sprockets, guides, and seals for optimal engine performance. This synergy guarantees consistent timing control, reduced operational noise, and extended transmission life. Leveraging advanced materials and refined manufacturing