7047MA Main Bearings, Standard Size, Bi Metal, 1/2 Groove, Buick, Chevy, GMC, Oldsmobile, Pontiac, Isuzu, L4, Set Please hover mouse to enlarge image Sealed Power MA Series Main Bearing 7047MA Bearing Material Bi metal aluminum alloy, A-Series Bearing Usage Direct replacement Groove Location Upper Groove Style 1/2 Grooved Bearing Yes Quantity Sold as a set. Summit Racing Part Number : SLP-7047MA Fitment P lease see the Compatibility link at the top of the listing. Fitment information may not