If your Honda or Acura with a K20/K24 engine is making rattling noises on startup or at idle, it might need these timing chain guides. This is a lower timing chain guide kit from Autopartszone, brand new. Part number Autop463. Material is aluminum with a silver metal finish. Fits K-series engines in cars like RSX, Civic Si, TSX, etc. Interchange part number is just \Timing Chain Guide K Series\. OEM number doesn't apply. Comes with a 3-month manufacturer warranty. Ships from US stock, and free returns are available (check seller details). These guides wear out over time and can cause serious engine damage if they fail. Replacing them requires some mechanical skill and timing chain tools. Fix that annoying rattle and prevent costly repairs. A vital maintenance item for high-mileage K-series engines. Keep your Honda running smooth and quiet. Order with confidence!