Ideal for rebuilding engines where more demanding use is anticipated, such as heavy duty, motorsports, or street performance. As it is the most versatile replacement, Clevite® engine bearing P-Series is suitable for most OE applications. Due to the increased load capacity of the TriMetal design, it is a suitable upgrade from BiMetal engine bearings. PartNumber : cleCB792P20 Description : Engine Connecting Rod Bearing Pair Bearing Material : TM-77 Size : 0.020in Undersize 1973-1975 Austin Marina Base L4.1798cc Engine Components::Bearings 1973-1975 Austin Marina GT L4.1798cc Engine Components::Bearings 1968-1974 MG MGB Base L4.1798cc Engine Components::Bearings 1968-1974 MG MGB GT L4.1798cc Engine Components::Bearings 1975-1980 MG MGB MK IV L4.1798cc Engine Components::Bearings