This is a A-IK506 In Frame Engine Overhaul Kit PN: IK506Main Description As Following : A-IK506 In Frame Engine Overhaul Kit P.N: IK506 Massey Ferguson In-Frame Engine Overhaul Kit for 4.212 Diesel engine. 4 Cyl. Rope & Lip Seal. Bore: 3.8770??? (98.476mm). Kit contains: Piston Liner Kit, Connecting Rod Bearing Set, Connecting Rod Bolt, Connecting Rod Nut, Upper Gasket Set, and Lower Gasket set without Seals. Fits Massey Ferguson models: 50, 50B, 165; Landini model: TL20C.4 CYL, ROPE & LIP SEALBORE: 3.8770" 98.476mm Found in Section & Models : Engine Overhaul Kits > 4.212 Diesel, Landini INDUSTRIAL/CONSTRUCTION: TL20C (E-SN