2 SPI Stock Bore Piston Kits Full Gasket Kit & Bearings fits Ski-Doo 670 HO 78mm

2 SPI Stock Bore Piston Kits, Full Gasket Kit & Bearings for Ski-Doo 670 HO 78mm

This kit includes two stock bore piston kits, a complete gasket set, and bearings designed to fit Ski-Doo 670 HO engines with a 78mm bore, providing a reliable replacement for rebuilding top end performance.

Overview

This 2 SPI stock bore piston kits and full gasket kit with bearings is a comprehensive overhaul solution for Ski-Doo 670 HO engines. The kit contains everything needed to restore compression and power, making it ideal for snowmobile enthusiasts and mechanics rebuilding the top end.

Built For Performance

• Includes two stock bore pistons for 78mm bore
• Complete gasket set ensures proper sealing
• Bearings included for connecting rod and wrist pin
• Designed to match OEM specifications for Ski-Doo 670 HO
• SPI brand components offer reliable aftermarket performance

Specs At A Glance

Good To Know

Q: Are the piston kits already assembled? A: Piston kits come as individual components including piston, rings, and wrist pin; assembly required.

Q: Do I need to replace bearings with piston kits? A: Yes, this kit includes bearings, but always check connecting rod condition before installation.

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