Namura Standard Bore Piston Kit Size A for Polaris Sportsman 450 2017-2025 93mm

Namura Standard Bore Piston Kit Size A for Polaris Sportsman 450

This standard bore piston kit is designed for Polaris Sportsman 450 models from 2017 to 2025, providing a 93mm bore size for engine rebuilds. The kit includes a piston, rings, and wrist pin for a complete top-end overhaul.

Overview

This standard bore piston kit from Namura is engineered to fit Polaris Sportsman 450 ATVs built between 2017 and 2025. It brings the engine back to factory specifications with a 93mm bore diameter and is ideal for rebuilding a worn or damaged cylinder. The standard bore piston kit includes all necessary components for a straightforward installation.

Built For Performance

• Precision-machined 93mm piston for accurate cylinder fit
• High-strength aluminum alloy construction for durability
• Includes rings and wrist pin for a complete kit
• Designed to meet or exceed OEM specifications for Polaris Sportsman 450
• Standard size A ensures proper clearance for stock cylinders

Fits These Machines

• for Polaris Sportsman 450 (2017-2025)

On-The-Job Use

• Trail riding and recreational off-road use
• Farm and ranch utility tasks requiring reliable engine performance
• Engine rebuild after top-end failure or high mileage
• Restoring power and efficiency in older Sportsman models

Specs At A Glance

Good To Know

Q: Is this piston kit a direct fit for my Polaris Sportsman 450? A: Yes, this standard bore piston kit is designed for 2017-2025 Sportsman 450 models with a 93mm bore. Always confirm your engine serial number to ensure correct size class.

Q: Does the kit include piston rings? A: Yes, the kit comes complete with piston rings and a wrist pin for a full top-end rebuild.

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