G643 (E) Service Manual Chapter 3. Engine Mechanical System 49 J 5590 Crankshaft Sprocket Installer J 3049-A Valve Lifter Remover J 5715 or J 6036 Rocker Stud Hole Reamer J 6098-01 Camshaft Bearing Remover/Installer J 5239 Connecting Rod Bolt Guide Set J 8062 Valve Spring Compressor J 8087 Cylinder Bore Gauge J 8089 Carbon Remover Brush J 7872 Magnetic Base Dial Indicator J 8001 Dial Indicator