2 SPI Piston Kits & Bearings for Arctic Cat 1996-2001 ZR440 Standard Bore 66.5mm

2 SPI Piston Kits & Bearings for Arctic Cat

These aftermarket piston kits and bearings provide a direct replacement for Arctic Cat ZR440 snowmobile engines from 1996 to 2001, featuring a standard bore diameter of 66.5mm.

Overview

The SPI piston kits and bearings are designed for rebuilding the engine of Arctic Cat ZR440 snowmobiles built between 1996 and 2001. Each kit includes two pistons, rings, wrist pins, and bearings to restore compression and performance. Ideal for enthusiasts performing a top-end rebuild.

Built For Performance

• Precision-machined from high-strength aluminum alloy
• Includes complete set of rings and wrist pins
• Plasma-moly rings for reduced friction
• Caged needle bearings for smooth operation
• Standard bore 66.5mm matches OEM specifications
• Direct fit for Arctic Cat ZR440 1996-2001

Fits These Machines

• for Arctic Cat ZR440 (1996-2001)

On-The-Job Use

• Used during top-end engine rebuilds
• Restores compression and power in snowmobiles
• Ideal for high-mileage ZR440 engines needing overhaul
• Suitable for trail riding and performance riding

Specs At A Glance

Good To Know

Q: Are these piston kits compatible with overbore sizes? A: No, these are standard bore 66.5mm; for overbore you would need a different kit.

Q: Do these include the bearings? A: Yes, each kit contains main bearings, connecting rod bearings, and seals as needed.

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