hey guys, Can someone help me find out what grade do i need for my main bearings?? here are the numbers: on the crankcase: U 1 2 2 1 0 Crank rear view(close to the flywheel): 2 1 1 1 2 0 2 2 2 C Crank Front view(close to the pulley): 1 1 1 1 BTW this is a BB DET block, and i just want to replace the old ones with some fresh ones. Thanks Andy Cheung Houston, TX