This Kyosho spare is the inner head designed for the KE21V engine, offered as a direct replacement for RC engine maintenance. It contributes to the internal combustion chamber and the sealing interface inside the head assembly and is intended for use during rebuilds, repairs or when inspecting the head.
As a critical head component the inner head influences chamber geometry and sealing, which in turn affects compression and consistent running. Before installation, verify mating surfaces and gaskets for wear and ensure correct alignment with the head flange to maintain proper seal integrity.
The item is sold as a spare for the KE21V platform; always confirm the part number Kyosho 74035-02 to guarantee fit and avoid incorrect cross-compatibility assumptions.
Select this inner head when servicing a KE21V to reinstate correct head geometry or to supply a verified replacement part for setup work.
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