SPI .020 Over Bore Top End Repair Kit for Ski-Doo 670 non-HO most 1996 78.5mm

SPI .020 Over Bore Top End Repair Kit for Ski-Doo

This top end repair kit provides the necessary components to rebuild the cylinder bore of most 1996 Ski-Doo 670 non-HO engines to .020 inch oversize with 78.5mm pistons.

Overview

The SPI .020 Over Bore Top End Repair Kit is designed for rebuilding the top end of a Ski-Doo 670 non-HO engine. This top end repair kit includes .020 oversize pistons and rings to restore compression and performance. It fits most 1996 Ski-Doo 670 models and provides a reliable top end repair solution.

Built For Performance

• Includes .020 over bore pistons for increased displacement
• High-quality piston rings ensure proper sealing
• Wrist pins and circlips included for complete installation
• Precision-machined to match 78.5mm bore specification
• Designed for direct replacement in Ski-Doo 670 non-HO engines
• SPI components tested for durability and reliability

Fits These Machines

• for Ski-Doo 670 non-HO (1996, 78.5mm bore)

On-The-Job Use

• Restoring lost compression in high-mileage snowmobile engines
• Rebuilding top end after piston seizure or scoring
• Preparing engine for racing or heavy-duty winter use
• Replacing worn rings and pistons during seasonal maintenance
• Matching bore oversize to cylinder wear for proper clearance

Specs At A Glance

Good To Know

Q: Will this kit fit my Ski-Doo 670 non-HO? A: This kit is designed for most 1996 670 non-HO engines; verify your cylinder bore size and serial number before ordering for compatibility.

Q: What is included in the top end repair kit? A: Typically includes pistons, rings, wrist pins, and circlips for a complete top end rebuild; confirm exact contents with product listing before purchase.

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