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The Supertech single valve spring kit for the Toyota 4A-GE 20V Silver Top engine is supplied as a complete set matched to Silver Top heads. It replaces aging springs without changing valvetrain design, intended for routine service or head rebuilds on 4A-GE 20-valve Silver Top applications to restore correct valve seating and lift behavior.
Supertech Toyota 4AGE 20V Single Valve Spring Kit (Silver Top)
