This is a A-OK170 Major Engine Overhaul Kit PN: OK170Main Description As Following : A-OK170 Major Engine Overhaul Kit P.N: OK170 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 175.4 CYL ROPE & LIP SEALBore: 3.8770" 98.476MM Crossed From: 975143 , Found in Section & Models : Engine Overhaul Kits > 4.236 Diesel, Allis-Chalmers TRACTOR: 170, Allis-Chalmers TRACTOR: 175 Associated Items : New Also A-AC-O-170, A-AC-P-170175, A-AC-S-170175, A-FRM-ACCACO, A-SMAC201, A-AC-O-175GD, A-AC-P-170175, A-AC-S-170175, A-FRM-ACCACO, A-SMAC201 And : 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. 4 Cyl., Rope & Lip Seal Bore: 3.8770" / 98.476 mm