Top End Rebuild Kit with Pistons and Gaskets – Compatible with Polaris Sportsman 850 (2009–2019) and Scrambler 850 (2013–2019) – Standard Bore 86.93 mm – Replaces 2204055 5813345 3087957 3610165
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30-day refund/replacement
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Features
- Complete top end rebuild kit for 850cc engines, includes pistons, rings, and full gasket set
- Premium Components: Includes two standard-bore (86.93 mm) Namura pistons with Teflon-coated skirts, rings, pins, and circlips.
- OEM-style gasket and O-ring set ensures proper sealing after top end assembly
- Helps restore power, compression, and reliability in high-hour or damaged engines
- Replaces OEM Part Numbers: Pistons 2204055, Base Gasket 5813345, Exhaust Gaskets 3087957, Valve Seals 3610165.
Description
Restore compression, power, and reliability in your 850cc engine with this complete top end rebuild kit designed as a direct replacement for factory components. This kit includes standard-bore Namura pistons, rings, wrist pins, circlips, and a full OEM-style gasket and O-ring set to ensure proper sealing across the combustion chamber, exhaust, and coolant passages. The Teflon- coated piston skirts reduce friction and wear, supporting smoother operation and long-term cylinder durability. Ideal for repairing worn top ends, blown gaskets, and high-hour engines, this rebuild kit installs using factory components with no modifications required. Replaces OEM part numbers 2204055, 5813345, 3087957, and 3610165.
Manufacturer: Quad Logic
Brand: Quad Logic
Product Dimensions: 12 x 12 x 8 inches
Is Discontinued By Manufacturer: No
Manufacturer Part Number: 100-4327
OEM Part Number: 2204055, 3087957, 3610165, 5813345
Date First Available: September 19, 2016
Frequently asked questions
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View our full returns policy here.
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Learn more about financing & leasing here.
