5150 AutoSport's High-Performance Coated Main Bearing Set for the BMW M54 engine is engineered for high-stress environments

Don't have a machine shop up to the job

even in the event of a leak by virtually eliminating the crank seal gap

and 14x Nuts

This kit ensures consistent performance at every RPM range and gives peace of mind in demanding conditions

BMW N53 Valves by SuperTech Valve Locks:Valves Only 5150 AutoSport's High-Performance Coated MainThe SuperTech High Performance Valve Kit for BMW N53 was specifically designed by Supertech for this BMW I6 engine. These valves are engineered to meet the demands of performance applications while providing enhanced durability and reliability. SuperTech is a popular choice for engine builders due to their high precision, quality, and engineering, all of which provide reliable power output, engine efficiency, and overall performance. Standard Size is