Valve stem Supertech Honda 6.6

Supertech is an American manufacturer specializing in the production of components such as pistons, valves, springs, valve guides, and more.
All parts manufactured by Supertech have parameters exceeding the standard components installed by car manufacturers.
Sealers Supertech will prove themselves in cars of raised power, turbocharged and others that requires heavy-duty components.

Used in engines: D16Z5, D16A8, D16A9, H23A2