Perkins 4.248 Engine Inframe Overhaul Rebuild Kit, Builds LF21617, LF21274

Rope & Lip SealBore: 3.9785 in (101.045mm)Allis Chalmers: 840 Loader (LF21617), D175 Tractor (LF21274)Basic Overhaul Kit Includes:
(4) Cylinder Kits (Liner, Piston, Piston Rings, Piston Pin, Pin Retainers)
(4) Rod Bearing Pairs
(1) Main Bearing Set
(1) Thrust Washer Set
(1) Overhaul Gasket Set
(1) Front Crankshaft Seal
(1) Rear Crankshaft Seal
(8) Rod Nuts
(8) Rod Bolt Premium Overhaul Kit Includes:
(4) Cylinder Kits (Liner, Piston, Piston Rings, Piston Pin, Pin Retainers)
(4) Rod Bearing Pairs
(1) Main Bearing Set
(1) Thrust Washer Set
(1) Overhaul Gasket Set
(1) Front Crankshaft Seal
(1) Rear Crankshaft Seal
(8) Rod Nuts
(8) Rod Bolt
(4) Intake Valves
(4) Exhaust Valves
(8) Valve Springs Inner
(8) Valve Springs Outer
(8) Valve Guides
(16) Valve Locks