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The Supertech dual valve spring kit for Opel Z16/Z18 LER and A18XER 16V engines is specified for use with the factory seat and provides matched dual springs for these 16-valve applications. Offered as a direct-fit kit, the springs and retainers are sized to the engine’s valvetrain geometry, making this kit appropriate for valvetrain refreshes while retaining the factory seating arrangement.
Supertech Opel Z16/Z18 LER/ A18XER 16V Dual Valve Spring Kit (Use Factory Seat)
