Wiseco GP Series Piston Kit with Gaskets - KTM 250 SX/XC/EXC/XC-W / Husqvarna TC250/TE250 (2007-2016) - 66.40mm Bore - 2-Stroke

Wiseco GP Series Piston Kit with Gaskets - KTM 250 SX / 250 XC / 250 EXC / 250 XC-W / Husqvarna TC250 / TE250

Premium Wiseco GP Series 2-stroke piston kit with complete top-end gasket set for the legendary 250cc 2-stroke platform. This is a race-spec piston with advanced coatings and a single ring design for maximum performance. Everything you need for a professional top-end rebuild in one convenient package.

🏁 GP Series Race-Spec Features

• Electra Coated - Advanced piston skirt coating for reduced friction
• Single Ring Design - Reduced friction and weight for maximum performance
• Titanium Nitride Coated Ring - Premium wear resistance and sealing
• ArmorGlide® Skirt Coating - Extended piston life

Kit Includes

• Wiseco GP Series Piston - Race-spec 4032 aluminum alloy with Electra coating
• Ring Set - Single titanium nitride coated ring
• Wrist Pin
• Circlips
• Wrist Pin Bearing
• Top End Gasket Set

Key Features

• GP Series design for professional-level racing performance
• 4032 aluminum alloy construction - optimized for 2-stroke applications
• ArmorGlide® skirt coating for reduced friction and extended life
• Single ring design for reduced friction and weight
• Titanium nitride coated ring for superior wear resistance
• Complete top-end gasket kit included
• Wrist pin bearing included - everything for a complete rebuild
• Standard bore - direct OEM replacement

Important Notes

• Wiseco ring types are not interchangeable (i.e., CD is not interchangeable with LC)
• Wiseco pistons can be fitted only with Wiseco rings
• Cylinder sleeves must be purchased separately if needed

Piston Specifications

• Bore Size: 66.40 mm (Standard)
• Piston Diameter: 66.32 mm
• Stroke Length: 72.00 mm
• Material: 4032 Aluminum Alloy
• Skirt Coating: ArmorGlide® + Electra
• Ring Type: Single, Titanium Nitride Coated
• Style: GP Series

Engine Specifications

• Displacement: 249cc
• Engine Type: 2-Stroke
• Weight: 1.25 lbs

Fitment

KTM:

• 250 SX: 2007-2016
• 250 XC: 2007-2016
• 250 EXC: 2008-2016
• 250 XC-W: 2007-2016

Husqvarna:

• TC250: 2014-2016
• TE250: 2014-2016

Why Wiseco GP Series?

The Wiseco GP Series represents the pinnacle of 2-stroke piston technology. Developed with input from professional racers, the GP Series features advanced coatings and a single ring design that reduces friction and weight while maintaining excellent sealing. The titanium nitride coated ring provides exceptional wear resistance - this is the piston for serious racers!