Honda GX340 / GX390 Replacement - Cylinder Head Assembly
Description
Aftermarket cylinder head assembly for Honda GX340 (11HP) and GX390 (13HP) engines. Comes pre-assembled with intake and exhaust valves, valve springs, rocker arms, and keepers. Used in pressure washers, generators, and other power equipment. Replaces Honda OEM part numbers 12200-ZF6-406 and 12200-ZF6-W00.
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