2 SPI Standard Bore Piston Kits fits Ski-Doo MXZ 670 HO & Summit X 670 HO 78mm

2 SPI Standard Bore Piston Kits for Ski-Doo

These two standard bore piston kits, sized for 78mm bore, provide replacement pistons for Ski-Doo MXZ 670 HO and Summit X 670 HO snowmobiles.

Overview

The SPI Standard Bore Piston Kit is designed for Ski-Doo MXZ 670 HO and Summit X 670 HO snowmobiles. Each kit includes a piston, rings, and wrist pin for a standard bore rebuild. This set of two piston kits is ideal for maintaining top performance on the snow.

Built For Performance

• Standard bore size 78mm for precise fitment
• High-strength aluminum alloy piston for durability
• Includes circlips and wrist pin for complete installation
• Manufactured by SPI for reliable aftermarket replacement
• Designed for two-stroke engine applications

Fits These Machines

• for Ski-Doo MXZ 670 HO
• for Ski-Doo Summit X 670 HO

On-The-Job Use

• Snowmobiling on trails and open fields
• Mountain riding for deep snow conditions
• Recreational riding and racing
• Winter transportation and utility use

Specs At A Glance

Good To Know

Q: Is this SPI brand OEM quality? A: SPI produces aftermarket pistons that meet or exceed OEM specifications for reliable performance.

Q: What is included in each kit? A: Each kit includes a piston, rings, wrist pin, and circlips. Gaskets are not included.

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