RB Bell Housing Crank Lock UpLock the crankshaft with confidence using the HRB RB Bellhousing Crank Lock Tool a critical tool for safe and precise engine work on NISSAN RB platforms. This bracket bolts to the rear of the engine block and locks into the flywheel ring gear, providing solid crankshaft immobilisation during torque heavy tasks like crank bolt removal, clutch installation, or flywheel torqueing. Built from zinc plated steel for durability and reliability under real