Namura Standard Bore Size C Top End Kit for Polaris Sportsman 850 Scrambler 87mm

Top End Kit for Polaris Sportsman 850 Scrambler

This Namura standard bore size C top end kit for Polaris Sportsman 850 and Scrambler models includes an 87mm piston, rings, and wrist pin for a complete cylinder rebuild. This top end kit restores compression and performance. Designed as a direct replacement, this top end kit is an essential part of engine maintenance.

Overview

This top end kit is designed for Polaris Sportsman 850 and Scrambler ATVs with an 87mm bore. It includes all necessary components for a top-end rebuild, restoring engine power and reliability. The Namura kit ensures a precise fit and long service life.

Built For Performance

• High-quality cast piston for durability
• Precision-machined cylinder bore
• Includes piston rings and wrist pin
• Standard bore size C specification
• Direct replacement for OEM components

Fits These Machines

• for Polaris Sportsman 850
• for Polaris Scrambler 850 (87mm bore)

On-The-Job Use

• Engine rebuilds and restoration
• Performance maintenance
• Off-road riding and racing
• Utility ATV upkeep

Specs At A Glance

Good To Know

Q: Will this kit fit my 2012 Polaris Sportsman 850? A: Yes, as long as your engine has a standard 87mm bore and uses the size C piston specification; verify your cylinder condition.

Q: Does the kit include gaskets? A: No, this top end kit includes piston, rings, and wrist pin only; gaskets should be purchased separately.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.