WISECO PK1086 73.0mm Piston for 1985-2005 Polaris 250cc ATV

Upgrade the engine performance and reliability of your Polaris 250cc ATV with the WISECO PK1086 piston. Designed for select 1985-2005 Polaris applications, this replacement piston features a 73.0mm diameter and is engineered to support dependable operation in demanding off-road conditions. The polished finish helps provide a smooth, durable surface suited to performance-oriented engine rebuilds and maintenance.
The WISECO PK1086 is identified as a 536M piston and is intended for ATV applications requiring a precise replacement component. Its construction is designed to withstand the heat, pressure, and repeated cycling associated with high-load powersports engines. Whether you are restoring an older ATV or completing a top-end rebuild, this piston provides a trusted solution from WISECO, a recognized name in powersports engine components.
Verify vehicle fitment, bore requirements, and installation specifications before ordering. Professional installation is recommended to ensure proper piston-to-cylinder clearance, ring fitment, orientation, and final engine assembly. This product is sold as one piston and is supplied for applications matching the specified WISECO PK1086 part number. The unit of measure is each.

Features:

• Brand: WISECO

• Part Number: PK1086

• Application: Select 1985-2005 Polaris 250cc ATV models

• Piston Diameter: 73.0mm

• Piston Type: 536M

• Finish: Polished

• Product Type: Replacement engine piston

• Unit of Measure: Each