2 Namura Standard Bore Size B Piston Kits for Polaris ProStar S4 2023-2024 93mm

2 Namura Standard Bore Size B Piston Kits for Polaris ProStar S4 2023-2024 93mm

These two Namura standard bore size B piston kits are direct replacement components for Polaris ProStar S4 engines, providing reliable compression and power restoration for 2023-2024 models with a 93mm bore.

Overview

These two Namura standard bore size B piston kits are engineered to restore engine performance in Polaris ProStar S4 vehicles, offering a precise 93mm bore diameter for 2023-2024 models. Each kit includes the piston, rings, and wrist pin, making them a complete solution for top-end rebuilds. These piston kits are designed for riders and mechanics seeking dependable replacement parts for high-performance Polaris engines.

Built For Performance

• Manufactured from high-strength aluminum alloy for durability and heat resistance
• Precision-machined to 93mm standard bore size B specification
• Includes premium piston rings for optimal compression and oil control
• Features a reinforced skirt design to reduce friction and wear
• Comes with a hardened wrist pin for reliable connecting rod articulation

Fits These Machines

• for Polaris ProStar S4 2023
• for Polaris ProStar S4 2024

On-The-Job Use

• Ideal for top-end engine rebuilds on Polaris ProStar S4 models
• Suitable for recreational trail riding and utility applications
• Commonly used in performance restoration and maintenance projects

Specs At A Glance

Good To Know

Q: Are these piston kits a direct fit for my Polaris ProStar S4? A: Yes, these Namura standard bore size B piston kits are designed as direct replacements for 2023-2024 Polaris ProStar S4 engines with a 93mm bore, but always verify your engine serial number for compatibility.

Q: Do these kits include all necessary components for installation? A: Each kit includes the piston, piston rings, and wrist pin, though you should reuse your original circlips and ensure proper ring gap clearance during installation.

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