06-11 Chevy Chevrolet 3.9L / 237 OHV V6 12V "1,3,M,R" GM Rod bearings .75

Original Engine Specifications:Shell P/N: 4990A Number Of Bearings: 6 Shaft Diameter: 2.2489-2.2495" Housing Bore: 2.3746-2.3755" Wall Thickness: 0.0617-0.0622" Width: 0.772" Oil Clearance: 0.0007-0.0027". Please use the mentioned specs and attached image to verify engine fitment. Picture is of actual item. Any opened and used bearings will not be accepted for return.