K-Series Timing Chain Guide Honda Acura RSX Civic Si K20 & K24 TSX Accord K SwapBillet K Series Timing Chain Guide Honda Acura RSX Civic Si K20 & K24 TSX Accord Description: The Purpose of lower timing chain bracket guide is to secure the timing chain while the tension is released during the process of swapping cams or doing other head work. This bracket also ensures that your K Series motor will never jump timing from the crank timing gear in the event of a timing chain tensioner failure. Included with the bracket are mounting