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John Deere 8520 Engine Rebuild Kits

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Engine Rebuild Kit - Less Bearings - ESN 200000-later - Rod R535555, 6081 - For John Deere tractor models 7710, 7810, 7820, 7920, 8120, 8120T, 8220, 8220T, 8320, 8320T, 8420, 8420T, 8520, 8520T, Compatible with John Deere Engine (s) 6081 (Powertech diesel, s/n 200000-later, Build Codes 4801, 4803), Bore: 4.56", 1.8742" piston pin, OE piston # RE70688, Connecting rod # R535555, Kit includes: High Compression Easy Start Pistons, Piston Ring Set, Liners, Connecting Rod Bushings, and Gasket set with Crank Seals, High Compression Easy Start pistons are produced from an aluminum hypereutectic alloy. This allows the pistons to: Retain a higher percentage of strength and hardness during normal operations, Have a very low coefficient of thermal expansion, Have a higher resistance to wear, Have a higher tensile strength. The combustion bowls in these pistons are engineered to create higher compression. These pistons raise the static compression of an engine approximately 1-1.5 points. They ignite a larger ratio of fuel / air per stroke, which wastes less raw fuel. This translates into: Improved cold weather starting, Increased horsepower, Extended engine life, Kit does not include connecting rod or main bearings, For standard thrust bearing use Item #: 124034, Additional Handling and Oversize Fees Apply To This Item, (Item #: 130639) $3109.01

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