Porsche Willhoit Anti Drain Back Valve - 356 Carrera 50-65 SMC-005-019 91154134302 912 (1965-1969) and 914 (1970-1974)

912 (1965-1969) and 914 (1970-1974) models

Porsche Cylinder base gasket

Porsche Black electric antenna for 911 (1963-1989) models

Requires #900

Porsche Willhoit Anti Drain Back Valve - 356 Carrera 50-65 SMC-005-019 91154134302 912 (1965-1969) and 914 (1970-1974)Porsche Willhoit anti drain back valve for all 356 Carrera (1950 1965) models. Four cam cars, and all 911's up to 1989, have a dry sump oiling system. The oil for the engine is stored in a tank in the fender well and not in the crankcase as in a wet sump engine (like the 356). A dry sump system has several advantages: Since no oil is stored in the crankcase, the engine case can be made smaller and the engine can be mounted lower in the car, lowering