K20/K24 Top Cam Chain Guide

Genuine Honda Cam Chain Guide This guide keeps the timing chain in line at the top of the head; once it wears, you’ll get slack, noise, and eventually skipped timing that can take out a motor. This is a wear item and needs to be replaced around 100-150k miles. If you hear rattling or ticking, this is a also a sign of replacement needed. #4 in illustration FITMENT: Most K20/K24 engines