Namura Standard Bore Piston Kit Size B for Polaris RZR Pro S 2025-2026 93mm

Namura Standard Bore Piston Kit Size B for Polaris

This standard bore piston kit with size B offers a 93mm bore diameter for high-performance Polaris RZR Pro S engines.

Overview

The Namura Standard Bore Piston Kit Size B delivers a direct-fit 93mm piston for Polaris RZR Pro S models from 2025 to 2026. This piston kit is engineered to restore factory compression and performance in Pro S engines. Ideal for racers and off-road enthusiasts, this standard bore piston kit ensures reliable power delivery.

Built For Performance

• Precision-machined from durable aluminum alloy for consistent performance
• Includes piston rings and wrist pin for a complete replacement
• Standard bore size B ensures accurate fit within factory tolerances
• 93mm bore diameter matches OEM specifications for Pro S models
• Designed for high-heat, high-stress environments of performance engines

Fits These Machines

• for Polaris RZR Pro S (2025-2026)

On-The-Job Use

• High‑speed desert racing and dune riding
• Aggressive trail and mountain riding
• Restoring engine power after wear or rebuild
• Performance builds and custom applications

Specs At A Glance

Good To Know

Q: What is included in this piston kit? A: The kit includes the piston, piston rings, and wrist pin, providing all necessary components for a piston replacement.

Q: Is this a direct replacement for the factory piston? A: Yes, this standard bore piston kit is designed as a direct replacement for the original piston in compatible Polaris RZR Pro S engines, maintaining factory specifications.

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