The Supertech dual valve spring kit for Toyota 1FZ-FE 24V engines is a matched set of dual springs designed to control valve motion and maintain consistent valvetrain operation. Supplied as a direct-fit replacement for the 1FZ-FE 24-valve application, the kit offers a practical option to refresh valve springs during engine service or cam upgrades and to support reliable valve seating and response across normal operating conditions.
Supertech Toyota 1FZ-FE 24V Dual Valve Spring Kit