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THIS HAS CUTS FOR IT TO CLEAR THE STUD BOLTS ID = 53.5MM OD = 69.0MM

THIS HEAD GASKET WORKS FOR (CT90K5 THRU 1979) OR AN ATC90 WITH A ENGINE SERIAL NUMBER LARGER THAN 1113934

@ CT90 ATC90 ATC110 ST90 NEWER STYLE HEAD GASKET 12251-028-790 7/21M (83w) 83W