SPI Standard Bore Piston Kit for Arctic Cat ZR900 King Cat 900 Mountain Cat 85mm

SPI Standard Bore Piston Kit for Arctic Cat

This SPI Standard Bore Piston Kit is designed to restore compression and power in Arctic Cat ZR900, King Cat 900, and Mountain Cat snowmobile engines, featuring a precise 85mm bore size for a reliable fit.

Overview

The SPI Standard Bore Piston Kit is a high-quality replacement for Arctic Cat 900 series snowmobile engines. It includes a piston, rings, and wrist pin to rebuild the top end and restore lost compression. This kit is intended for riders who need a direct-fit standard bore solution for their Arctic Cat ZR900, King Cat 900, or Mountain Cat.

Built For Performance

• Precision-machined 85mm piston for exact standard bore fitment
• Includes premium piston rings for optimal compression and sealing
• Wrist pin and circlips included for a complete installation
• Designed to match OEM specifications for reliable performance
• Constructed from durable aluminum alloy for long service life

Fits These Machines

• for Arctic Cat ZR900
• for Arctic Cat King Cat 900
• for Arctic Cat Mountain Cat

On-The-Job Use

• Used for rebuilding snowmobile engines during off-season maintenance
• Designed for restoring power in high-mileage Arctic Cat 900 sleds
• Commonly applied in trail riding and mountain snowmobile applications

Specs At A Glance

Good To Know

Q: What is included in the SPI Standard Bore Piston Kit? A: The kit includes a piston, rings, wrist pin, and circlips for a complete top end rebuild. Ensure the necessary gaskets and seals are also installed for Arctic Cat engines.

Q: Will this piston kit work with a stock cylinder? A: Yes, this is a standard bore size kit intended for stock cylinders that are within factory specifications. Always measure the cylinder bore before installation to confirm proper clearance.

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