Namura Standard Bore Size C Top End Kit for Polaris Sportsman 450 2017-2025 93mm

Standard Bore Size C Top End Kit for Polaris Sportsman 450

This Namura top end kit supplies all components needed for a complete piston and cylinder rebuild on Polaris Sportsman 450 ATVs from 2017 to 2025, with a 93mm standard bore size C.

Overview

The Namura Standard Bore Size C Top End Kit is a comprehensive piston kit for Polaris Sportsman 450 models (2017-2025) using a 93mm bore. It includes piston, rings, wrist pin, circlips, and gaskets to restore compression and power. This kit is ideal for owners and mechanics maintaining their Polaris Sportsman 450 engine.

Built For Performance

• Includes forged piston with precision-machined rings
• Complete kit with all necessary top end components
• Manufactured to OEM specifications for 93mm bore
• High-strength wrist pin and circlips for secure assembly
• Includes head gasket and base gasket

Fits These Machines

• for Polaris Sportsman 450 2017-2025

On-The-Job Use

• Recreational trail riding
• Engine performance rebuilds
• Utility work and farm use
• Racing and competition

Specs At A Glance

Good To Know

Q: Does this top end kit include a cylinder? A: No, this kit does not include a cylinder; it contains piston, rings, pin, circlips, and gaskets for use with your existing cylinder.

Q: What is the compression ratio with this kit? A: The compression ratio remains at stock specifications when used with standard bore; check your service manual for exact values.

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