John Deere Major Engine Overhaul Kit for 6.101A, 6.101T Diesel, 500 Series, 6.619A & 6.619T Diesel, 500 Series engines. For Block# R75934, R87552, R88217, R98554, R105739. Bore:5.12� (130mm), Piston Pin: 2� (50.8mm). Kit includes: Piston Liner Kit, Main Bearing, Thrust Bearing, Thrust Washer Set, Connecting Rod Bearing, Front Crankshaft Seal, Rear Seal, Connecting Rod Bushing, Connecting Rod Bolt, and Camshaft Bearing. Fits John Deere models: 8760, 8870, 744E, 762, 850, 855, 860B, 862, 890, 890A, 992D, 992E, 8630, 8640, and 8650.