Hastings part number 2C-627. <This piston ring set is STD size. This is the exact size you will receive. Application Guide:Piston Ring Set for 8 Cylinder Engines Includes Piston Rings for 8 Cylinders Standard Ring Set fits 3 7/16 Cylinder Diameter Top Groove = 5/64 2nd Groove = 5/64 3rd Groove = 3/16 Be sure to check your bore diameter and ring pack before ordering Quick Application Summary: 53-55 Dodge & Plymouth 241 1953-54 044,048, 050, 053 All V8's 1953-55 044, 050, 059 Coronet V8 (Early) 19