Porsche Rear Suspension Stud 356 50 65 PP183S SMC 000 601 BRZ Features and Benefits:Reduces the oil 96410627302 Features and Benefits:Reduces the oil blow by from the crank ventilationKeeps the oil in the engine while still allowing good crank ventilationVery simple mounting sandwiches between the crankcase and ventilation the lid breather coverUsed on all Hastech race & street enginesRecommended for all aircooled Porsche 911 engines to help reduce oil consumption caused by ingestion of oil laden air into the intake caused by excess crankcase windage and blow by Porsche Front left control arm link for 993 models (1995 1998) Porsche Rear suspension stud correct profile and diameter 356 1950 1965'