60002, NA-50081K, NA-50081T, 2204393, 2202920, 3021513, 3021512, 281814, 281815, 281816, M9016, M9017, M9018, M9020, M9021, 3021511, 2203740, 2204396, 3022287, 3022283, 3021635, 3021514, 3021510, 3021508, 4961M08000, K8877DA-2, 292801, 5254357, 5247360, 3021639, 2202917, 3021638, BBK0019, CBK0224, NA-50081, 4091, K084, 822353, 808967, CY101, AT-09477, K8877DA-2, MT1119, MT1119-OEM, MT1120, M9052, C7994, 281818, 5134073

Ranger / RZR / Sportsman 800 Top-End Rebuild Kit Stock-Bore Nikasil Cylinder + Forged Piston + Cometic Gaskets

Product Overview

Give your Polaris 800 twin a fresh lease on life with this all-inclusive stock-bore top-end rebuild package. The Nikasil-plated cylinder, paired with a Wiseco, Wssner, CP-Carrillo, or JE forged piston, drops in without machiningjust bolt it up, torque it down, and braaap back to the trails! A Cometic/Vertex/Moose Racing MLS gasket set, Viton valve-stem seals, titanium head studs, and even a fresh NGK plug round out a kit that balances reliability, power, and unbeatable value.

Whats Inside

• Stock-Bore (80 mm) Cylinder Nikasilaftermarket cylinder (1-yr warranty)
• Forged Piston Kit Wiseco, Wssner, CP Carrillo, or JE** (piston, rings, wrist-pin, clips)
• Nitrite-Coated Rings long life, quick seat-in
• Chrome Wrist-Pins & Circlips
• Cometic, Vertex, or Moose* Top-End Gasket Kit
• Viton Valve-Stem Seals high-temp, long-seal life
• Talon Titanium Head-Stud Kit stretch-proof clamping
• NGK Spark Plug

Advantage What It Means for You Nikasil Cylinder Dissipates heat faster & lasts longer than cast-iron sleeves Forged vs. Cast Piston Handles detonation & high RPM without skirt collapse MLS Head Gasket Steel layers maintain seal under big-bore compression Titanium Head Studs Hold torqueno stretch, no blown gaskets 1-Year Warranty Ride hard with confidence; weve got you covered

Model Fitment

Compatible with ALL Polaris Ranger 800, RZR 800, and Sportsman 800 models & years.

FAQs

• Do I need machine work? Nope! Cylinder is already plated & honed to OEM spec.
• Pump or race gas? Forged piston works great on premium pump; race fuel max power.
• DIY install? A service manual & torque wrench are your best friends; pro install if unsure.
• Warranty terms? 12-month parts warranty covers manufacturing defects.

Why Buy from ?

The Best Parts. The Best Performance. The Best Price. Every component ships brand-new in original packaging and backed by factory warrantiesno take-offs, no refurbs, no junk.

Ready to breathe new life into your Polaris 800?

Performance parts engineered for riders, by riders.