Rothsport Oil Inlet Check Valves eliminate oil migration from the oil tank to the engine reducing excessive smoking on start up typical of cars that sit for long periods of time.
911 (65-71) Oil Inlet Check Valve
993/993TT (95-98) Oil Inlet Check Valve
911/930 (72-89) Oil Inlet Check Valve
964/965 (89-94) Oil Inlet Check Valve
RSR Motorsport Console & 356 (4) Cam Carrera
996/997 GT3 (Metzger Motor)