WAS $50 NOW $42.50

　　I am selling a set of Federal Mogul NHRA Performance main bearings - Standard. NEW - In the Original Box. UPC 7- 245 -7. Part number 139 M Powerline. These are the best you can buy.

　　Bearing size is: Standard. HIGH PERFORMANCE EXACT TOLERANCE BEARINGS for drag racing, enduranace, turbocharged, supercharged, and other high HP engines. Actual item shown. Please double check the manufacturer's part number to your engine application.

　　Application Guide: Small Block Chevy 400 CID V8