Wiseco GP Series 2-Stroke Top End Kit - 66.40mm Bore - PK1381

The Wiseco GP Series Top End Kit provides superior performance and reliability for your 2-stroke engine. Engineered and manufactured in the USA, this kit is designed for endurance and sustained high RPM riding, ensuring optimal performance in demanding conditions.

Description

This Wiseco Top End Kit is specifically designed for 2-stroke engines with a displacement of 249cc. It features an Electra-Coated crown, ring groove(s), and pin bores, along with ArmorGlide® skirt coating. This combination offers maximum wear resistance and protects against micro-welding, galling, and detonation, extending the life of your engine. The kit includes extra lightening operations to enhance throttle response, providing quicker acceleration and improved overall performance. Crafted from high-quality 4032 Aluminum Alloy, the piston is forged and machined to exacting standards. Installation is straightforward, making it a perfect upgrade for both enthusiasts and professionals looking to maximize their engine's potential. The standard bore size is 66.40 mm, with a piston diameter of 66.35 mm and a stroke length of 72.00 mm.

Features & highlights

• Electra-Coated crown, ring groove(s), and pin bores maximize wear resistance.
• ArmorGlide® skirt coating provides superior protection against micro-welding and galling.
• Designed for endurance and sustained high RPM 2-stroke riding.
• Extra lightening enhances throttle response for quicker acceleration.
• Forged and machined in the USA from high-quality 4032 Aluminum Alloy.
• Complete kit ensures all necessary components are included for a seamless installation.
• Optimized for 249cc 2-stroke engines.

Technical specifications

• Brand: Wiseco
• Product Name: Piston with Gaskets Kit
• Vendor Part Number: PK1381
• Engine Type: 2-Stroke
• Displacement: 249 cc
• Bore Size: 66.40 mm
• Piston Diameter: 66.35 mm
• Stroke Length: 72.00 mm
• Bore - Oversize: Standard
• Piston Material: 4032 Aluminum Alloy
• Skirt Coating: ArmorGlide®
• Type: Top End
• Units: Kit

Important to know

This kit includes the piston(s), ring set, wrist pin(s), circlips, bearing(s), and gaskets required for a top-end rebuild. Please ensure compatibility with your specific motorcycle model before installation.