Allis Chalmers Major Engine Overhaul Kit for 4.236 Diesel engine. 4 Cyl. Rope & Lip Seal, Standard bore: 3.8770 (98.476mm). Kit includes: Piston Liner Kit, Main Bearing Set (5), Thrust Washer Set (4), Connecting Rod Bearing Set, Connecting Rod Bushing, Front Crankshaft Seal, Rear Crankshaft Seal, Connecting Rod Bolt, Connecting Rod Nut, and Overhaul Gasket Set without Seals. Fits Allis Chalmers Tractor models: 170, and 175.