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The Supertech titanium retainer described for a 6.6mm valve with 6° geometry is listed for use with a Mitsubishi 4G63 keeper and compatible Honda spring profiles. It functions as the valve spring retainer that secures spring and keeper interfaces on applications calling for a 6.6mm stem and 6° seat angle, provided the listed keeper and spring combination aligns with the engine rebuild or service need.
Supertech Titanium Retainer for Honda Spring 6.6mm Valve 6 Degree for Mitsubishi 4G63 Keeper
