Engine timing chain kit for 2008-2022 Lexus and Toyota 4.6L-5.0L 1UR-FE, 1UR-FSE, and 2UR-FSE engines.
The Toyota 1UR (4.6L V8) timing chain kit includes a high-strength steel timing chain, tensioner, guide rails, and sprockets. It is specifically designed for Dual VVT-i systems and typically includes tensioners with part numbers 13506-38030 (main chain), 13507-31020 (upper chain), and 13540-38041/13550-38020. It is also compatible with 1UR-FE/1UR-FSE engines.
Description
Timing chain: Contains two main (long) chains (e.g., 13506-38030) and two secondary (short) inter-cam chains (e.g., 13507-31020/13507-31021).
Tensioners: Contains four hydraulic tensioners (e.g., 13540-38041, 13540-38042, 13540-38020, 13550-38020, 13560-38021) to maintain proper tension.
Guides: Typically contains four guides, such as 13561-0S021, 13561-0S011, 13559-0S010, and 13559-0S021.
Sprocket: Crankshaft timing gear (e.g., 13522-38030, 13521-38030).
Material: The chain is made of high-strength wear-resistant steel, and the guide rails are made of hardened plastic with a metal backing.
Applicable Vehicles: Suitable for Toyota 1UR-FE/FSE engines (Lexus LS460, GS460, Toyota Tundra, Sequoia).










