Cummins 6BT 5.9L Engine Inframe Overhaul Rebuild Kit, Piston 3922571

Turbocharged, Aftercooled, Emission
359 Cubic Inch
Bore: 4.02 in / 102 mm
Stroke: 4.72 in / 119 mmPiston Marked: 2571Kit contains latest design piston which will replace any of the following: 3922571, 3802487, 3922571, 3922572 (oversized), 3922573 (oversized)CPL Numbers: 1549, 1550, 1815, 1816, 1824, 1825, 1859, 1863, 1868, 1901, 1959, 1968, 2022, 2023, 2174, 2265, 2268, 2292, 2308, 2345, 2346, 2349Skidder: Ranger F66G, Ranger F66DS, Ranger F67, Ranger F67 Cable, Ranger F67G, Ranger G67G, Ranger F667
Vibratory Compactor: LiuGong 614H
YTO: LRS2030 Pneumatic RollerInframe Kit Includes
(6) Piston & Rings
(6) Rod Bearing Pairs (check if connecting rod is fracture split or machine split)
(1) Main Bearing Set
(1) Head Gasket Set
(1) Oil Pan Gasket

Overhaul Kit Includes
(6) Piston & Rings
(6) Rod Bearing Pairs (check if connecting rod is fracture split or machine split)
(1) Main Bearing Set
(1) Head Gasket Set
(1) Lower Gasket Set 
(1) Front Crankshaft Seal
(1) Rear Crankshaft Seal
(1) Camshaft Bushing
(6) Piston Pin BushingRebuilder Specs
Bore: 4.0165"
Stroke: 4.724"
Rod Journal: 2.7160-2.7170"
Main Journal: 3.2672-3.2682"
Main Torque: 37, 45, 66 ft/lbs, +90 degrees
Rod Torque: 22, 44 ft/lbs, +60 degrees
Head Torque: First torque all bolts to 66 ft/lbs, then all bolts to 66 ft/lbs again. For the longest bolts only tighten in sequence 89 ft/lbs and then longest bolts only 89 ft/lbs again. Final stage is to then turn all bolts +90 degrees.
Intake Valve Lash: .010" cold (.254 mm)
Exhaust Valve Lash: .025" cold (.635 mm)