WISECO 556M06740 Standard Dirt Bike Piston

Forged from high-silicon aluminum alloy for maximum strength and dependability.

Innovative forging design and piston skirt provide maximum horsepower and torque.

Wiseco High-Performance piston kits are priced with piston, rings, pins and circlips (unless noted otherwise).

Oversize pistons require cylinder sleeving.

Upgrade your motorcycle engine with the WISECO 556M06740 Standard Dirt Bike Piston, designed for applications requiring a standard-size piston replacement. Wiseco is recognized for producing performance-focused engine components, and this piston provides a dependable option for restoring proper engine operation during a rebuild or top-end service. It is supplied as an individual unit for convenient replacement planning and installation.

The WISECO 556M06740 is intended for dirt bike applications that call for a standard piston specification. Using the correct piston size is essential for maintaining proper fit within the cylinder, supporting consistent compression, and helping the engine operate as intended. This standard replacement design can be used when the cylinder remains within the manufacturer’s service specifications and does not require an oversize piston.

Whether used during routine engine maintenance, a complete top-end rebuild, or replacement of a worn piston, this Wiseco component is made to support reliable performance and serviceability. Always verify vehicle