UTV ATV Cylinder Piston Top End Kit Set for HiSUN 400 HS YS MASSIMO MSU BENNCHE

Cylinder Piston Top End Kit Set for HiSUN 400, Massimo MSU, and Bennche

This cylinder piston top end kit set provides the upper engine components needed to rebuild the top end on compatible HiSUN 400, Massimo MSU, and Bennche machines, helping restore compression and reliable power.

Overview

This cylinder piston top end kit set is built for UTV and ATV owners who need to refresh the upper engine on their HiSUN 400, Massimo MSU, or Bennche machine. The kit pairs a cylinder, piston, and associated top end components so a worn or damaged top end can be rebuilt in one go. It is a practical choice for riders and mechanics who want a matched set for their HiSUN 400 top end rebuild.

Built For Performance

• Cylinder designed for an accurate bore and reliable piston fit
• Piston built to restore compression and consistent power delivery
• Top end components matched as a complete rebuild set
• Replacement design intended for the listed UTV and ATV applications
• Practical kit format that covers the main upper engine parts in one purchase

Fits These Machines

• for HiSUN 400
• for HiSUN HS
• for HiSUN YS
• for Massimo MSU
• for Bennche

On-The-Job Use

• Rebuilding a top end after compression loss
• Replacing a worn or damaged piston and cylinder
• Refreshing engine performance on UTV and ATV machines
• Workshop and home garage repairs

Specs At A Glance

Good To Know

Q: What is this top end kit set used for? A: It is used to rebuild the upper engine on compatible UTV and ATV machines. The set includes a cylinder, piston, and top end components intended for the listed applications.

Q: How do I confirm it fits my machine? A: Match your machine model against the listed HiSUN, Massimo, and Bennche applications and verify your engine size before ordering. Checking your serial number is recommended since fit can vary between production runs.

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