The Complete Genuine Honda Timing Chain Kit. This kit comprises of everything you need to replace the timing chain on your K20 engine. Over time, timing chains can stretch, guides can wear out and tensioners can fail. In a worst case scenario this can cause engine damage and even complete failure due to incorrect cam / crank timing.This kit is comprised of genuine Honda OEM parts sourced directly from the factory in Japan. The Timing Chain Kit Includes:1 x Genuine Honda K20 Timing Chain (14401-PNA-004)1 x Genuine Honda Upper Timing Chain Guide (14540-RWC-A02)1 x Genuine Honda Timing Chain Guide Exhaust Side(14520-PNA-003)1 x Genuine Honda Timing Chain Guide Intake Side (14530-PNA-003)1 x Genuine Honda Timing Chain Tensioner (14510-PRB-A01) Is It Time for a Replacement? Timing chain stretch is a common issue on hard-driven K-Series engines. Don't wait for engine damage. If you are experiencing any of the following, it’s time for a refresh: Diagnostic Trouble Codes (DTCs): P0341, P0344, or VTC error codes. Symptoms: Rattling noise on cold starts, sluggish performance, or misfires. Mileage: High-mileage K20A/K20Z engines undergoing a major service. Always replace your timing components as a complete set to ensure even wear and longevity. Compatible Engines K20 K20A2 K20Z4 Compatible Chassis EP3 FN2 DC5