Wiseco Piston Kit, 39.50 mm for GasGas, Husqvarna and KTM 2-Stroke Engines (874M03950)

The WISECO 874M03950 Piston Kit is designed for all-purpose 2-stroke riding in select GasGas, Husqvarna and KTM applications. Built to support dependable engine performance, this piston kit combines durable construction with a dedicated forging design that optimizes strength relative to weight. It is a practical choice for riders and technicians seeking reliable replacement components for routine maintenance, engine rebuilding or performance-focused service.
The forged piston is engineered and machined in the USA, reflecting WISECO’s focus on consistent manufacturing quality and precise component production. Extra lightening operations help reduce reciprocating mass for enhanced throttle response, while the optimized design supports increased horsepower potential without sacrificing the durability required for demanding 2-stroke use. The 39.50 mm piston size is intended for compatible applications and should be verified against the engine specifications before installation.
Feature: Designed for all-purpose 2-stroke riding
Feature: Dedicated forging design for strength-to-weight optimization
Feature: Extra lightening operations for enhanced throttle response
Feature: Engineered, forged and machined in the USA
Feature: Piston made in the USA
Feature: Compatible with select GasGas, Husqvarna and KTM models
Feature: WISECO part number 874M03950

Features:

• Designed for all-purpose 2-stroke riding

• Dedicated forging design for strength-to-weight optimization

• Extra lightening operations for enhanced throttle response

• Engineered, forged and machined in the USA

• Piston made in the USA

• Compatible with select GasGas, Husqvarna and KTM models

• WISECO part number 874M03950

Ships from Parts Unlimited.