Cummins Inc. 1255-BRK Camshaft for UN1 Engine Timing Application is a camshaft designed for the Cummins UN1 engine timing system. Part number 1255-BRK lists the specifications 12 Sec., 0.14 In, and 0.06 Out. This camshaft is intended for UN1 engine timing applications, providing the specific profile required by Cummins UN1 engines.
