5150 AutoSport Head Gasket & Head Stud Kit, BMW N54 4743 parallel-ground washer face and a

parallel-ground washer face and a precision thread-rolling process for consistent

Retainer: RET-BMN54-TE

BMW Z Series

These Ferrea valves feature a triple groove valve design and are compatible with the factory valve locks (AKA valve keepers)

Supertech stands out for its reliability and performance

5150 AutoSport Head Gasket & Head Stud Kit, BMW N54 4743 parallel-ground washer face and aPerformance Head Gasket & Head Stud Kit for BMW N54 Engines This Performance Head Gasket & Head Stud Kit is designed for BMW N54B30 turbocharged inline six engines, ideal for high performance applications. Head Gasket Options OEM Head GasketGenuine BMW replacement gasket, perfect for high horsepower and high boost setups. Recommended for engines exceeding 800+ horsepower; requires O ringing the cylinder head or block. Features a 0. 060" thickness for