The Bearing Stud Threaded Collar is a tool used to apply accurate and controlled tension to cylinder head studs and crankshaft main bearing studs during assembly and removal operations. It is used together with the Pressure Group, Lines Group, and a compatible hydraulic pump operating on one hundred fifteen volts or two hundred thirty volts power, with a pressure gauge also required.Attributes:• Applies controlled tension to cylinder head studs.• Applies controlled tension to crankshaft main bearing studs.• Allows simultaneous tensioning of multiple studs.Applications: The Bearing Stud Threaded Collar is used during engine service operations to tension cylinder head studs and crankshaft main bearing studs while supporting safe bearing removal, installation, and cylinder testing procedures.