Engine Case Set for Harley-Davidson Knucklehead 1941-1947

Engine Case Set for Harley-Davidson Knucklehead

• Motor Case Set Features A Blank Number Boss, There are no Serial Numbers On The Case
• Oil from Top End Returns Through Pushrod Tubes, Does Not Return Through Cylinder Base
• Case Accepts Loose Roller Bearings on The Sproket and Pinion Shaft Side
• Case Set Required Line Lapping of the Main Case Races (Order Case Race Available Separately)
• Case set is designated for replacement of the original Cases
• No serial numbers are provided with before case sets
• Case sets do not include Pinion and Sproket Shaft Races
• Case Razes Should Be Line Bored to 1,500 "To Accept Standard Rollers
• Use 2 Gaskets When Mounting The Oil Pump Body for Proper Clearance
• Numeral "7" Stamped on rear motor Mount Halves, to denote 74 cubic inch. BUILDER MAY STAMPSSE NUMBERS IN. 
• Fits:
• FL 1941-1947
• The 1937-1947