Installation time: 8-14 hours

Oil Return Block Fitting 10AN [use factory bolt and O-ring]21

most notably in the Skyline GT-R models

CAD and FEA engineered for optimized strength and performance

including oil & grease fires

BMW N55 Crank Hub by 5150 AutoSport EJ20 Installation time: 8-14 hoursThe BMW N55 Engine's Crank Hub is a critical component, linking the crankshaft, water pump, power steering pump, and alternator. OEM hub failure occurs as the crank hub separates from the crankshaft, spinning independently of the crankshaft. This failure is not only well known among technicians and enthusiasts, but a catastrophic failure, causing severe engine damage. The Problem OEM Failure is mainly due to the design of the crank hub assembly; the