40223M08250 Wiseco .020 Piston Kit for Arctic Cat 400 2x4 4x4 2002-2008

Piston Kit for Arctic Cat

This Wiseco .020 over piston kit is a rebuild component made to restore compression in Arctic Cat 400 2x4 and 4x4 machines, and it cross-references OEM part number 40223M08250.

Overview

This .020 overbore piston kit is built for Arctic Cat 400 2x4 and 4x4 models from 2002 through 2008, delivering the oversized bore needed after cylinder wear or damage. Riders and shops pick up this Arctic Cat piston kit to bring a tired top end back into service with fresh Wiseco components and correct bore sizing. It fits 400 2x4 and 4x4 machines that need a top end rebuild.

Built For Performance

• Wiseco forged piston construction for strength under load
• .020 inch oversized bore to clean up worn or scored cylinders
• Kit includes piston, rings, pin, and clips for a complete rebuild
• Designed to match OEM 40223M08250 fitment
• Machined ring grooves for accurate ring seating
• Built for consistent compression recovery in 400cc engines

Fits These Machines

• for Arctic Cat 400 2x4, 2002-2008
• for Arctic Cat 400 4x4, 2002-2008

On-The-Job Use

• Top end rebuild after low compression or oil consumption
• Cylinder repair after piston scoring or overheating
• ATV shop and home garage engine service
• Restoring trail and utility use on 400 machines

Specs At A Glance

Good To Know

Q: Does this kit require boring the cylinder? A: Yes, a .020 over piston needs the cylinder bored and honed to match the oversized piston before assembly.

Q: Is the pin and clip set included? A: This kit is sold as a complete piston assembly with the piston, rings, pin, and clips for a top end rebuild.

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