Wiseco PK1775 Pro-Lite Top End Piston Kit Bore - 2-Stroke 66.4mm

The Wiseco PK1775 is a Pro-Lite 2-Stroke Top End Piston Kit featuring a 66.4mm (743M) bore. Engineered, forged, and machined in the USA at Wiseco's facility in Mentor, OH, the Pro-Lite is the forged 2-stroke piston that set the standard for all-purpose 2-stroke performance and reliability.

Wiseco Pro-Lite forged pistons are the result of decades of experience, incorporating the latest in 2-stroke piston manufacturing and design. The PK (Piston Kit) series includes a complete top end gasket set along with the core piston components, giving you everything needed to complete a top end rebuild or overbore in a single package.

Kit Includes:

• Forged Pro-Lite 2-stroke piston – 66.4mm bore diameter
• High-performance piston ring set
• Alloy wrist pin
• Circlips
• Complete top end gasket set

Key Features:

• Dedicated forging design optimized for strength-to-weight ratio
• Extra lightening operations for enhanced throttle response
• Aerospace-grade alloy construction for extended service life
• Compatible with cast iron, chrome, Nikasil, and boron composite cylinder bores
• Engineered, forged, and machined in the USA

The Wiseco PK1775 is ideal for top end rebuilds and overbore applications, delivering refreshed performance whether on the track or trail. Each kit ships with a detailed installation guide to simplify the rebuild process.