Find your Honda small engine cylinder head assemblies below. Select a Honda cylinder head assembly to view its description. Search above with your Honda cylinder head assembly numbers. Honda engine head assemblies are pre-assembled. Customer is responsible for proper installation including checking and adjusting tolerances. Failure to take this step may cause damage and may not be covered by warranty. Warranty covers defects in material or workmanship of parts under normal use, when installed and operated properly. If your Honda head assemblies aren't listed, contact us.