Wiseco K738M925 Forged Piston Kit 92.5mm Bore

The Wiseco K738M925 is a complete forged piston kit featuring a 92.5mm bore diameter, engineered for high-performance powersports applications. Wiseco piston kits are manufactured using a high-silicon, low-expansion aluminum alloy forging process that delivers superior tensile strength, optimized heat transfer, and exceptional durability under demanding race and performance conditions.

As a full kit, the K738M925 includes everything needed for installation, making it a straightforward solution for engine rebuilds and performance upgrades. Wiseco's state-of-the-art computerized manufacturing facility in Mentor, Ohio ensures each piston is machined to exacting tolerances for a precise fit and consistent performance.

Key Features:

• 92.5mm bore diameter for precise cylinder fitment
• Forged high-silicon aluminum alloy construction for superior strength-to-weight ratio
• Kit includes piston, high-quality piston rings, wrist pin, and circlips
• Engineered and manufactured in the USA (Mentor, Ohio)
• Cam and barrel piston skirt design for optimized piston-to-wall clearance
• Machined valve pockets deeper and larger than stock for added clearance with performance camshafts
• Compatible with cast iron, chrome, Nikasil, and boron composite cylinder bores

Wiseco's forged pistons are trusted at every level of motorsport, from recreational riding to professional competition. The K738M925 delivers the performance and reliability that builders demand in high-output engine applications.