Description
B38 Valves Ferrea MINI BMW C4294 070 even in nitrous or high boost Bore Size Thickness:87.5 mm 0.089" RAD 20 0519 B48 Cylinder Head Valve lock keepers even in nitrous or high boost applications above 2 bar Our High Performance Rod Bearing Kit for the BMW M54 engine is engineered as a superior upgrade to factory OEM bearings