SPI Standard Bore Piston Kit for Polaris 900 Fusion, RMK & Switchback 83mm

Standard Bore Piston Kit for Polaris

This standard bore piston kit is designed to restore compression and performance for Polaris 900 Fusion, RMK, and Switchback snowmobiles with an 83mm bore size.

Overview

This standard bore piston kit is engineered to replace worn pistons in Polaris 900 Fusion, RMK, and Switchback snowmobiles with an 83mm bore. The kit provides reliable compression and helps restore engine performance. Ideal for riders seeking a direct-fit replacement, this piston kit ensures consistent power delivery in demanding snow conditions.

Built For Performance

• 83mm standard bore size for precise fit in Polaris 900 engines
• Includes piston, rings, and wrist pin for complete replacement
• Manufactured to meet OEM specifications for reliable performance
• Constructed from durable cast aluminum for long-lasting use
• Designed for high-output snowmobile engines requiring standard bore dimensions

Fits These Machines

• for Polaris 900 Fusion
• for Polaris 900 RMK
• for Polaris 900 Switchback

On-The-Job Use

• Used for restoring engine performance in Polaris snowmobiles
• Ideal for trail riding and mountain snowmobiling
• Commonly installed during engine rebuilds
• Suitable for high-altitude riding conditions

Specs At A Glance

Good To Know

Q: Will this piston kit fit my Polaris 900 RMK? A: This kit is designed for the 83mm bore size found in 900 Fusion, RMK, and Switchback models; verify your engine's bore size before ordering.

Q: What components are included in the kit? A: The kit includes a piston, rings, and wrist pin for a complete standard bore replacement.

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