2 SPI .020 Over Bore Piston Kits fits Ski-Doo 1993-1999 670 non-HO Sleds 78.5mm

2 SPI .020 Over Bore Piston Kits for Ski-Doo 670 non-HO

These two SPI .020 over bore piston kits are designed to fit Ski-Doo 670 non-HO snowmobile engines from 1993 to 1999, providing a 78.5mm bore size for rebuilt engines.

Overview

These piston kits include everything needed to rebuild your Ski-Doo 670 non-HO engine with a .020 over bore. Each kit features a precision-machined piston, rings, and wrist pin, ensuring a proper fit for your snowmobile. The 78.5mm bore size matches the overbore requirement for these sleds.

Built For Performance

• Manufactured from high-strength aluminum alloy for lightweight durability
• Moly-coated piston rings reduce friction and improve seal
• Includes wrist pin and circlips for easy installation
• Precision-machined to exact .020 overbore specifications
• Designed for reliable performance in Ski-Doo 670 engines

Fits These Machines

• for Ski-Doo 670 non-HO (1993-1999)

On-The-Job Use

• Engine top-end rebuilds for snowmobiles
• Racing and high-performance applications requiring fresh pistons
• Trail riding after engine overhaul to restore power
• Routine maintenance for high-hour sleds

Specs At A Glance

Good To Know

Q: Do these kits include piston rings? A: Yes, each kit comes with rings, wrist pin, and circlips for a complete top-end rebuild.

Q: Are these pistons compatible with the 670 HO? A: No, these are specifically for the non-HO version of the 670 engine.

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