The Supertech exhaust valve guide is offered for Honda B18C5, B18C1, B17A, B16A and B15A engines with a 12.09mm outer diameter. Supplied as a single valve guide, it provides the precise fit needed where this size and application are required. This item is listed for drop‑ship fulfillment; confirm engine code and fitment before ordering to ensure correct replacement for the specified Honda applications.
Supertech Honda B18C5/B18C1/B17A/B16A/B15A 12.09mm OD Exhaust Valve Guide - Single (Drop Ship Only)