Wiseco Piston Kit with Gaskets, 66.40 mm for Kawasaki KX250 (PK1379)

The Wiseco PK1379 Piston Kit with Gaskets is a complete top-end solution for compatible Kawasaki KX250 applications. Designed for one complete engine, this kit includes the essential piston components and top-end sealing hardware needed for a reliable rebuild. The 66.40 mm piston kit is engineered to support proper fitment and performance when installed according to the motorcycle manufacturer’s service procedures and Wiseco specifications.
The kit includes pistons, piston rings, wrist pins, circlips, and a top-end gasket kit. Wiseco pistons must be used with Wiseco rings, and Wiseco ring types are not interchangeable. For example, CD rings cannot be substituted for LC rings. Selecting the correct ring type for the specific piston and application is essential for proper sealing, cylinder compatibility, and engine operation.
The Wiseco PK1379 is intended for Kawasaki KX250 engines that match the stated application and piston size. Verify cylinder condition, piston clearance, ring selection, and installation requirements before assembly. Cylinder sleeves are not included and must be purchased separately when required for the rebuild. This kit provides a convenient way to replace key top-end components while maintaining compatibility with Wiseco piston and ring systems.

Features:

• Complete top-end kit for one complete engine

• Includes pistons, rings, wrist pins, circlips, and top-end gasket kit

• 66.40 mm piston size for compatible Kawasaki KX250 applications

• Wiseco pistons must be fitted with Wiseco rings

• Wiseco ring types are not interchangeable, including CD and LC styles

• Cylinder sleeves must be purchased separately

Ships from Parts Unlimited.