This is a A-IK4310 In Frame Engine Overhaul Kit PN: IK4310Main Description As Following : A-IK4310 In Frame Engine Overhaul Kit P.N: IK4310 John Deere In-Frame Engine Overhaul Kit for 4.219 Diesel, 300 Series engine. 4 Cyl, O-Rings on liner. Bore: 4.02??? (102mm), Pin:1.185??? (30mm). Kit contains: Piston Liner Kit, Connecting Rod Bearing Set, Connecting Rod Capscrew, Upper Gasket Set, Pan Gasket. Fits Models: 440A, and 2520.O-Rings on liner 4 CYL.Bore: 4.02" 102mm, Pin: 1.185", 30mm Crossed From: 954247 , Found in Section & Models : Engine Overhaul Kits > 4.219 Diesel, 300 Series, John Deere SKIDDER: 440A (SN 275483> 4.219 ENG), John Deere TRACTOR: 2520 (SN <-157575 4.219 ENG) Associated Items : New Also A-SMJD202 And : John Deere In-Frame Engine Overhaul Kit for 4.219 Diesel, 300 Series engine. 4 Cyl, O-Rings on
liner. Bore: 4.02� (102mm), Pin:1.185� (30mm). Kit contains: Piston Liner Kit, Connecting Rod
Bearing Set, Connecting Rod Capscrew, Upper Gasket Set, Pan Gasket. Fits Models: 440A, and 2520.